Home / 15,586,375.74-21,509,229.69-8,710,857.60

Finding the Fourth Proportional to 15,586,375.74, 21,509,229.69 and 8,710,857.60

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Solution

The fourth proportional to 15,586,375.74, 21,509,229.69 and 8,710,857.60 is: 12,021,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,375.74 : 21,509,229.69 = 8,710,857.60 : x
  2. Step 2: Convert to fraction form
    15,586,375.74/21,509,229.69 = 8,710,857.60/x
  3. Step 3: Cross multiply
    15,586,375.74x = 21,509,229.69 × 8,710,857.60
  4. Step 4: Simplify right side
    15,586,375.74x = 187,363,836,915,282.16
  5. Step 5: Solve for x
    x = 187,363,836,915,282.16/15,586,375.74
  6. Step 6: Final answer
    x = 12,021,000.91

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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.