Home / 13,455,900.27-18,593,432.19-9,581,695.38

Finding the Fourth Proportional to 13,455,900.27, 18,593,432.19 and 9,581,695.38

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Solution

The fourth proportional to 13,455,900.27, 18,593,432.19 and 9,581,695.38 is: 13,240,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,900.27 : 18,593,432.19 = 9,581,695.38 : x
  2. Step 2: Convert to fraction form
    13,455,900.27/18,593,432.19 = 9,581,695.38/x
  3. Step 3: Cross multiply
    13,455,900.27x = 18,593,432.19 × 9,581,695.38
  4. Step 4: Simplify right side
    13,455,900.27x = 178,156,603,313,266.31
  5. Step 5: Solve for x
    x = 178,156,603,313,266.31/13,455,900.27
  6. Step 6: Final answer
    x = 13,240,035.95

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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.