Home / 20,141,687.91-30,152,312.66-12,336,024.63

Finding the Fourth Proportional to 20,141,687.91, 30,152,312.66 and 12,336,024.63

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Solution

The fourth proportional to 20,141,687.91, 30,152,312.66 and 12,336,024.63 is: 18,467,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,687.91 : 30,152,312.66 = 12,336,024.63 : x
  2. Step 2: Convert to fraction form
    20,141,687.91/30,152,312.66 = 12,336,024.63/x
  3. Step 3: Cross multiply
    20,141,687.91x = 30,152,312.66 × 12,336,024.63
  4. Step 4: Simplify right side
    20,141,687.91x = 371,959,671,563,540.75
  5. Step 5: Solve for x
    x = 371,959,671,563,540.75/20,141,687.91
  6. Step 6: Final answer
    x = 18,467,154.95

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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.