Home / 28,468,913.40-42,703,370.10-27,146,215.80

Finding the Fourth Proportional to 28,468,913.40, 42,703,370.10 and 27,146,215.80

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Solution

The fourth proportional to 28,468,913.40, 42,703,370.10 and 27,146,215.80 is: 40,719,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468,913.40 : 42,703,370.10 = 27,146,215.80 : x
  2. Step 2: Convert to fraction form
    28,468,913.40/42,703,370.10 = 27,146,215.80/x
  3. Step 3: Cross multiply
    28,468,913.40x = 42,703,370.10 × 27,146,215.80
  4. Step 4: Simplify right side
    28,468,913.40x = 1,159,234,900,121,867.75
  5. Step 5: Solve for x
    x = 1,159,234,900,121,867.75/28,468,913.40
  6. Step 6: Final answer
    x = 40,719,323.70

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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.