Home / 20,711,091.61-31,074,212.89-9,637,444.31

Finding the Fourth Proportional to 20,711,091.61, 31,074,212.89 and 9,637,444.31

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Solution

The fourth proportional to 20,711,091.61, 31,074,212.89 and 9,637,444.31 is: 14,459,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,091.61 : 31,074,212.89 = 9,637,444.31 : x
  2. Step 2: Convert to fraction form
    20,711,091.61/31,074,212.89 = 9,637,444.31/x
  3. Step 3: Cross multiply
    20,711,091.61x = 31,074,212.89 × 9,637,444.31
  4. Step 4: Simplify right side
    20,711,091.61x = 299,475,996,204,459.19
  5. Step 5: Solve for x
    x = 299,475,996,204,459.19/20,711,091.61
  6. Step 6: Final answer
    x = 14,459,691.54

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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.