Home / 18,215,218.20-27,354,320.10-9,712,162.20

Finding the Fourth Proportional to 18,215,218.20, 27,354,320.10 and 9,712,162.20

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Solution

The fourth proportional to 18,215,218.20, 27,354,320.10 and 9,712,162.20 is: 14,585,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,218.20 : 27,354,320.10 = 9,712,162.20 : x
  2. Step 2: Convert to fraction form
    18,215,218.20/27,354,320.10 = 9,712,162.20/x
  3. Step 3: Cross multiply
    18,215,218.20x = 27,354,320.10 × 9,712,162.20
  4. Step 4: Simplify right side
    18,215,218.20x = 265,669,593,681,920.22
  5. Step 5: Solve for x
    x = 265,669,593,681,920.22/18,215,218.20
  6. Step 6: Final answer
    x = 14,585,034.93

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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.