Home / 28,341,974.06-42,519,706.98-9,172,731.14

Finding the Fourth Proportional to 28,341,974.06, 42,519,706.98 and 9,172,731.14

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Solution

The fourth proportional to 28,341,974.06, 42,519,706.98 and 9,172,731.14 is: 13,761,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,974.06 : 42,519,706.98 = 9,172,731.14 : x
  2. Step 2: Convert to fraction form
    28,341,974.06/42,519,706.98 = 9,172,731.14/x
  3. Step 3: Cross multiply
    28,341,974.06x = 42,519,706.98 × 9,172,731.14
  4. Step 4: Simplify right side
    28,341,974.06x = 390,021,840,279,121.38
  5. Step 5: Solve for x
    x = 390,021,840,279,121.38/28,341,974.06
  6. Step 6: Final answer
    x = 13,761,279.98

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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.