Home / 20,141,686.40-30,152,310.40-12,336,023.13

Finding the Fourth Proportional to 20,141,686.40, 30,152,310.40 and 12,336,023.13

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Solution

The fourth proportional to 20,141,686.40, 30,152,310.40 and 12,336,023.13 is: 18,467,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,686.40 : 30,152,310.40 = 12,336,023.13 : x
  2. Step 2: Convert to fraction form
    20,141,686.40/30,152,310.40 = 12,336,023.13/x
  3. Step 3: Cross multiply
    20,141,686.40x = 30,152,310.40 × 12,336,023.13
  4. Step 4: Simplify right side
    20,141,686.40x = 371,959,598,454,389.69
  5. Step 5: Solve for x
    x = 371,959,598,454,389.69/20,141,686.40
  6. Step 6: Final answer
    x = 18,467,152.70

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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.