Home / 7,891,612.79-11,837,278.92-2,500,123.06

Finding the Fourth Proportional to 7,891,612.79, 11,837,278.92 and 2,500,123.06

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Solution

The fourth proportional to 7,891,612.79, 11,837,278.92 and 2,500,123.06 is: 3,750,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,612.79 : 11,837,278.92 = 2,500,123.06 : x
  2. Step 2: Convert to fraction form
    7,891,612.79/11,837,278.92 = 2,500,123.06/x
  3. Step 3: Cross multiply
    7,891,612.79x = 11,837,278.92 × 2,500,123.06
  4. Step 4: Simplify right side
    7,891,612.79x = 29,594,653,936,357.50
  5. Step 5: Solve for x
    x = 29,594,653,936,357.50/7,891,612.79
  6. Step 6: Final answer
    x = 3,750,140.15

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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.