Home / 20,603,017.59-28,432,182.38-12,347,874.87

Finding the Fourth Proportional to 20,603,017.59, 28,432,182.38 and 12,347,874.87

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Solution

The fourth proportional to 20,603,017.59, 28,432,182.38 and 12,347,874.87 is: 17,040,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,017.59 : 28,432,182.38 = 12,347,874.87 : x
  2. Step 2: Convert to fraction form
    20,603,017.59/28,432,182.38 = 12,347,874.87/x
  3. Step 3: Cross multiply
    20,603,017.59x = 28,432,182.38 × 12,347,874.87
  4. Step 4: Simplify right side
    20,603,017.59x = 351,077,030,247,519.38
  5. Step 5: Solve for x
    x = 351,077,030,247,519.38/20,603,017.59
  6. Step 6: Final answer
    x = 17,040,078.17

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1.5x scale

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.