Home / 43,743,807.60-65,615,711.40-18,234,639.60

Finding the Fourth Proportional to 43,743,807.60, 65,615,711.40 and 18,234,639.60

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Solution

The fourth proportional to 43,743,807.60, 65,615,711.40 and 18,234,639.60 is: 27,351,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,743,807.60 : 65,615,711.40 = 18,234,639.60 : x
  2. Step 2: Convert to fraction form
    43,743,807.60/65,615,711.40 = 18,234,639.60/x
  3. Step 3: Cross multiply
    43,743,807.60x = 65,615,711.40 × 18,234,639.60
  4. Step 4: Simplify right side
    43,743,807.60x = 1,196,478,849,476,611.50
  5. Step 5: Solve for x
    x = 1,196,478,849,476,611.50/43,743,807.60
  6. Step 6: Final answer
    x = 27,351,959.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.