Home / 20,714,793.60-31,072,190.40-10,637,097.60

Finding the Fourth Proportional to 20,714,793.60, 31,072,190.40 and 10,637,097.60

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Solution

The fourth proportional to 20,714,793.60, 31,072,190.40 and 10,637,097.60 is: 15,955,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,793.60 : 31,072,190.40 = 10,637,097.60 : x
  2. Step 2: Convert to fraction form
    20,714,793.60/31,072,190.40 = 10,637,097.60/x
  3. Step 3: Cross multiply
    20,714,793.60x = 31,072,190.40 × 10,637,097.60
  4. Step 4: Simplify right side
    20,714,793.60x = 330,517,921,930,583
  5. Step 5: Solve for x
    x = 330,517,921,930,583/20,714,793.60
  6. Step 6: Final answer
    x = 15,955,646.40

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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.