Home / 54,378,819.11-81,567,430.02-13,438,257.17

Finding the Fourth Proportional to 54,378,819.11, 81,567,430.02 and 13,438,257.17

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Solution

The fourth proportional to 54,378,819.11, 81,567,430.02 and 13,438,257.17 is: 20,157,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378,819.11 : 81,567,430.02 = 13,438,257.17 : x
  2. Step 2: Convert to fraction form
    54,378,819.11/81,567,430.02 = 13,438,257.17/x
  3. Step 3: Cross multiply
    54,378,819.11x = 81,567,430.02 × 13,438,257.17
  4. Step 4: Simplify right side
    54,378,819.11x = 1,096,124,100,896,901
  5. Step 5: Solve for x
    x = 1,096,124,100,896,901/54,378,819.11
  6. Step 6: Final answer
    x = 20,157,188.38

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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.