Home / 6,639,411.60-9,959,117.40-4,959,795.60

Finding the Fourth Proportional to 6,639,411.60, 9,959,117.40 and 4,959,795.60

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Solution

The fourth proportional to 6,639,411.60, 9,959,117.40 and 4,959,795.60 is: 7,439,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,411.60 : 9,959,117.40 = 4,959,795.60 : x
  2. Step 2: Convert to fraction form
    6,639,411.60/9,959,117.40 = 4,959,795.60/x
  3. Step 3: Cross multiply
    6,639,411.60x = 9,959,117.40 × 4,959,795.60
  4. Step 4: Simplify right side
    6,639,411.60x = 49,395,186,660,403.44
  5. Step 5: Solve for x
    x = 49,395,186,660,403.44/6,639,411.60
  6. Step 6: Final answer
    x = 7,439,693.40

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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.