Home / 18,215,423.20-27,354,627.60-9,712,367.20

Finding the Fourth Proportional to 18,215,423.20, 27,354,627.60 and 9,712,367.20

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Solution

The fourth proportional to 18,215,423.20, 27,354,627.60 and 9,712,367.20 is: 14,585,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,423.20 : 27,354,627.60 = 9,712,367.20 : x
  2. Step 2: Convert to fraction form
    18,215,423.20/27,354,627.60 = 9,712,367.20/x
  3. Step 3: Cross multiply
    18,215,423.20x = 27,354,627.60 × 9,712,367.20
  4. Step 4: Simplify right side
    18,215,423.20x = 265,678,187,870,454.72
  5. Step 5: Solve for x
    x = 265,678,187,870,454.72/18,215,423.20
  6. Step 6: Final answer
    x = 14,585,342.59

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1.5x scale

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.