Home / 20,711,090.86-31,074,211.77-9,637,443.56

Finding the Fourth Proportional to 20,711,090.86, 31,074,211.77 and 9,637,443.56

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Solution

The fourth proportional to 20,711,090.86, 31,074,211.77 and 9,637,443.56 is: 14,459,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,090.86 : 31,074,211.77 = 9,637,443.56 : x
  2. Step 2: Convert to fraction form
    20,711,090.86/31,074,211.77 = 9,637,443.56/x
  3. Step 3: Cross multiply
    20,711,090.86x = 31,074,211.77 × 9,637,443.56
  4. Step 4: Simplify right side
    20,711,090.86x = 299,475,962,104,862.69
  5. Step 5: Solve for x
    x = 299,475,962,104,862.69/20,711,090.86
  6. Step 6: Final answer
    x = 14,459,690.42

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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.