Home / 15,423,182.38-21,279,128.07-8,895,936.70

Finding the Fourth Proportional to 15,423,182.38, 21,279,128.07 and 8,895,936.70

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Solution

The fourth proportional to 15,423,182.38, 21,279,128.07 and 8,895,936.70 is: 12,273,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,182.38 : 21,279,128.07 = 8,895,936.70 : x
  2. Step 2: Convert to fraction form
    15,423,182.38/21,279,128.07 = 8,895,936.70/x
  3. Step 3: Cross multiply
    15,423,182.38x = 21,279,128.07 × 8,895,936.70
  4. Step 4: Simplify right side
    15,423,182.38x = 189,297,776,341,913.16
  5. Step 5: Solve for x
    x = 189,297,776,341,913.16/15,423,182.38
  6. Step 6: Final answer
    x = 12,273,587.36

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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.