Home / 20,414,799.40-28,172,407.64-11,247,442.14

Finding the Fourth Proportional to 20,414,799.40, 28,172,407.64 and 11,247,442.14

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Solution

The fourth proportional to 20,414,799.40, 28,172,407.64 and 11,247,442.14 is: 15,521,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,799.40 : 28,172,407.64 = 11,247,442.14 : x
  2. Step 2: Convert to fraction form
    20,414,799.40/28,172,407.64 = 11,247,442.14/x
  3. Step 3: Cross multiply
    20,414,799.40x = 28,172,407.64 × 11,247,442.14
  4. Step 4: Simplify right side
    20,414,799.40x = 316,867,524,875,394
  5. Step 5: Solve for x
    x = 316,867,524,875,394/20,414,799.40
  6. Step 6: Final answer
    x = 15,521,461.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.