Home / 21,376,831.92-29,500,406.04-11,587,601.20

Finding the Fourth Proportional to 21,376,831.92, 29,500,406.04 and 11,587,601.20

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Solution

The fourth proportional to 21,376,831.92, 29,500,406.04 and 11,587,601.20 is: 15,991,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,831.92 : 29,500,406.04 = 11,587,601.20 : x
  2. Step 2: Convert to fraction form
    21,376,831.92/29,500,406.04 = 11,587,601.20/x
  3. Step 3: Cross multiply
    21,376,831.92x = 29,500,406.04 × 11,587,601.20
  4. Step 4: Simplify right side
    21,376,831.92x = 341,838,940,429,591.19
  5. Step 5: Solve for x
    x = 341,838,940,429,591.19/21,376,831.92
  6. Step 6: Final answer
    x = 15,991,094.55

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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.