Home / 20,711,091.86-31,074,213.27-9,637,444.56

Finding the Fourth Proportional to 20,711,091.86, 31,074,213.27 and 9,637,444.56

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Solution

The fourth proportional to 20,711,091.86, 31,074,213.27 and 9,637,444.56 is: 14,459,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,091.86 : 31,074,213.27 = 9,637,444.56 : x
  2. Step 2: Convert to fraction form
    20,711,091.86/31,074,213.27 = 9,637,444.56/x
  3. Step 3: Cross multiply
    20,711,091.86x = 31,074,213.27 × 9,637,444.56
  4. Step 4: Simplify right side
    20,711,091.86x = 299,476,007,635,241.31
  5. Step 5: Solve for x
    x = 299,476,007,635,241.31/20,711,091.86
  6. Step 6: Final answer
    x = 14,459,691.92

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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.