Home / 19,521,159.20-29,281,738.80-9,955,221.20

Finding the Fourth Proportional to 19,521,159.20, 29,281,738.80 and 9,955,221.20

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Solution

The fourth proportional to 19,521,159.20, 29,281,738.80 and 9,955,221.20 is: 14,932,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521,159.20 : 29,281,738.80 = 9,955,221.20 : x
  2. Step 2: Convert to fraction form
    19,521,159.20/29,281,738.80 = 9,955,221.20/x
  3. Step 3: Cross multiply
    19,521,159.20x = 29,281,738.80 × 9,955,221.20
  4. Step 4: Simplify right side
    19,521,159.20x = 291,506,186,874,622.56
  5. Step 5: Solve for x
    x = 291,506,186,874,622.56/19,521,159.20
  6. Step 6: Final answer
    x = 14,932,831.80

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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.