Home / 14,498,688.60-20,008,262.52-7,972,738.92

Finding the Fourth Proportional to 14,498,688.60, 20,008,262.52 and 7,972,738.92

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Solution

The fourth proportional to 14,498,688.60, 20,008,262.52 and 7,972,738.92 is: 11,002,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498,688.60 : 20,008,262.52 = 7,972,738.92 : x
  2. Step 2: Convert to fraction form
    14,498,688.60/20,008,262.52 = 7,972,738.92/x
  3. Step 3: Cross multiply
    14,498,688.60x = 20,008,262.52 × 7,972,738.92
  4. Step 4: Simplify right side
    14,498,688.60x = 159,520,653,314,781.28
  5. Step 5: Solve for x
    x = 159,520,653,314,781.28/14,498,688.60
  6. Step 6: Final answer
    x = 11,002,419.44

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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.