Home / 15,661,414.63-21,612,899.71-8,786,044.32

Finding the Fourth Proportional to 15,661,414.63, 21,612,899.71 and 8,786,044.32

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Solution

The fourth proportional to 15,661,414.63, 21,612,899.71 and 8,786,044.32 is: 12,124,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,414.63 : 21,612,899.71 = 8,786,044.32 : x
  2. Step 2: Convert to fraction form
    15,661,414.63/21,612,899.71 = 8,786,044.32/x
  3. Step 3: Cross multiply
    15,661,414.63x = 21,612,899.71 × 8,786,044.32
  4. Step 4: Simplify right side
    15,661,414.63x = 189,891,894,665,709.34
  5. Step 5: Solve for x
    x = 189,891,894,665,709.34/15,661,414.63
  6. Step 6: Final answer
    x = 12,124,823.92

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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.