Home / 15,764,757.24-21,756,871.98-9,885,327.96

Finding the Fourth Proportional to 15,764,757.24, 21,756,871.98 and 9,885,327.96

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Solution

The fourth proportional to 15,764,757.24, 21,756,871.98 and 9,885,327.96 is: 13,642,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,757.24 : 21,756,871.98 = 9,885,327.96 : x
  2. Step 2: Convert to fraction form
    15,764,757.24/21,756,871.98 = 9,885,327.96/x
  3. Step 3: Cross multiply
    15,764,757.24x = 21,756,871.98 × 9,885,327.96
  4. Step 4: Simplify right side
    15,764,757.24x = 215,073,814,906,034.59
  5. Step 5: Solve for x
    x = 215,073,814,906,034.59/15,764,757.24
  6. Step 6: Final answer
    x = 13,642,697.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.