Home / 10,387,502.20-15,582,138.90-2,712,165.40

Finding the Fourth Proportional to 10,387,502.20, 15,582,138.90 and 2,712,165.40

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Solution

The fourth proportional to 10,387,502.20, 15,582,138.90 and 2,712,165.40 is: 4,068,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,502.20 : 15,582,138.90 = 2,712,165.40 : x
  2. Step 2: Convert to fraction form
    10,387,502.20/15,582,138.90 = 2,712,165.40/x
  3. Step 3: Cross multiply
    10,387,502.20x = 15,582,138.90 × 2,712,165.40
  4. Step 4: Simplify right side
    10,387,502.20x = 42,261,337,982,574.06
  5. Step 5: Solve for x
    x = 42,261,337,982,574.06/10,387,502.20
  6. Step 6: Final answer
    x = 4,068,479.33

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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.