Home / 21,355,035.92-29,469,803.52-11,565,254.96

Finding the Fourth Proportional to 21,355,035.92, 29,469,803.52 and 11,565,254.96

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Solution

The fourth proportional to 21,355,035.92, 29,469,803.52 and 11,565,254.96 is: 15,959,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,035.92 : 29,469,803.52 = 11,565,254.96 : x
  2. Step 2: Convert to fraction form
    21,355,035.92/29,469,803.52 = 11,565,254.96/x
  3. Step 3: Cross multiply
    21,355,035.92x = 29,469,803.52 × 11,565,254.96
  4. Step 4: Simplify right side
    21,355,035.92x = 340,825,791,329,905.50
  5. Step 5: Solve for x
    x = 340,825,791,329,905.50/21,355,035.92
  6. Step 6: Final answer
    x = 15,959,972.75

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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.