Home / 10,655,538.85-15,980,864.79-2,979,723.11

Finding the Fourth Proportional to 10,655,538.85, 15,980,864.79 and 2,979,723.11

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Solution

The fourth proportional to 10,655,538.85, 15,980,864.79 and 2,979,723.11 is: 4,468,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655,538.85 : 15,980,864.79 = 2,979,723.11 : x
  2. Step 2: Convert to fraction form
    10,655,538.85/15,980,864.79 = 2,979,723.11/x
  3. Step 3: Cross multiply
    10,655,538.85x = 15,980,864.79 × 2,979,723.11
  4. Step 4: Simplify right side
    10,655,538.85x = 47,618,552,063,817.93
  5. Step 5: Solve for x
    x = 47,618,552,063,817.93/10,655,538.85
  6. Step 6: Final answer
    x = 4,468,901.36

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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.