Home / 15,531,838.80-23,304,620.87-8,144,122.08

Finding the Fourth Proportional to 15,531,838.80, 23,304,620.87 and 8,144,122.08

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Solution

The fourth proportional to 15,531,838.80, 23,304,620.87 and 8,144,122.08 is: 12,219,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531,838.80 : 23,304,620.87 = 8,144,122.08 : x
  2. Step 2: Convert to fraction form
    15,531,838.80/23,304,620.87 = 8,144,122.08/x
  3. Step 3: Cross multiply
    15,531,838.80x = 23,304,620.87 × 8,144,122.08
  4. Step 4: Simplify right side
    15,531,838.80x = 189,795,677,470,607.97
  5. Step 5: Solve for x
    x = 189,795,677,470,607.97/15,531,838.80
  6. Step 6: Final answer
    x = 12,219,781.57

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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.