Home / 28,469,266.90-42,703,900.35-27,146,569.30

Finding the Fourth Proportional to 28,469,266.90, 42,703,900.35 and 27,146,569.30

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Solution

The fourth proportional to 28,469,266.90, 42,703,900.35 and 27,146,569.30 is: 40,719,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,266.90 : 42,703,900.35 = 27,146,569.30 : x
  2. Step 2: Convert to fraction form
    28,469,266.90/42,703,900.35 = 27,146,569.30/x
  3. Step 3: Cross multiply
    28,469,266.90x = 42,703,900.35 × 27,146,569.30
  4. Step 4: Simplify right side
    28,469,266.90x = 1,159,264,390,231,569.25
  5. Step 5: Solve for x
    x = 1,159,264,390,231,569.25/28,469,266.90
  6. Step 6: Final answer
    x = 40,719,853.95

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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.