Home / 13,572,187.71-18,729,752.14-7,377,230.59

Finding the Fourth Proportional to 13,572,187.71, 18,729,752.14 and 7,377,230.59

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Solution

The fourth proportional to 13,572,187.71, 18,729,752.14 and 7,377,230.59 is: 10,180,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,187.71 : 18,729,752.14 = 7,377,230.59 : x
  2. Step 2: Convert to fraction form
    13,572,187.71/18,729,752.14 = 7,377,230.59/x
  3. Step 3: Cross multiply
    13,572,187.71x = 18,729,752.14 × 7,377,230.59
  4. Step 4: Simplify right side
    13,572,187.71x = 138,173,700,392,723.12
  5. Step 5: Solve for x
    x = 138,173,700,392,723.12/13,572,187.71
  6. Step 6: Final answer
    x = 10,180,650.56

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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.