Home / 20,301,807.60-30,452,711.40-14,609,775.60

Finding the Fourth Proportional to 20,301,807.60, 30,452,711.40 and 14,609,775.60

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Solution

The fourth proportional to 20,301,807.60, 30,452,711.40 and 14,609,775.60 is: 21,914,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,807.60 : 30,452,711.40 = 14,609,775.60 : x
  2. Step 2: Convert to fraction form
    20,301,807.60/30,452,711.40 = 14,609,775.60/x
  3. Step 3: Cross multiply
    20,301,807.60x = 30,452,711.40 × 14,609,775.60
  4. Step 4: Simplify right side
    20,301,807.60x = 444,907,279,965,561.81
  5. Step 5: Solve for x
    x = 444,907,279,965,561.81/20,301,807.60
  6. Step 6: Final answer
    x = 21,914,663.40

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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.