Home / 7,643,809.13-11,465,713.55-2,786,479.83

Finding the Fourth Proportional to 7,643,809.13, 11,465,713.55 and 2,786,479.83

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Solution

The fourth proportional to 7,643,809.13, 11,465,713.55 and 2,786,479.83 is: 4,179,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,809.13 : 11,465,713.55 = 2,786,479.83 : x
  2. Step 2: Convert to fraction form
    7,643,809.13/11,465,713.55 = 2,786,479.83/x
  3. Step 3: Cross multiply
    7,643,809.13x = 11,465,713.55 × 2,786,479.83
  4. Step 4: Simplify right side
    7,643,809.13x = 31,948,979,550,598.90
  5. Step 5: Solve for x
    x = 31,948,979,550,598.90/7,643,809.13
  6. Step 6: Final answer
    x = 4,179,719.70

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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.