Home / 20,565,004.62-28,363,158.57-18,078,909.81

Finding the Fourth Proportional to 20,565,004.62, 28,363,158.57 and 18,078,909.81

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Solution

The fourth proportional to 20,565,004.62, 28,363,158.57 and 18,078,909.81 is: 24,934,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565,004.62 : 28,363,158.57 = 18,078,909.81 : x
  2. Step 2: Convert to fraction form
    20,565,004.62/28,363,158.57 = 18,078,909.81/x
  3. Step 3: Cross multiply
    20,565,004.62x = 28,363,158.57 × 18,078,909.81
  4. Step 4: Simplify right side
    20,565,004.62x = 512,774,985,713,758.56
  5. Step 5: Solve for x
    x = 512,774,985,713,758.56/20,565,004.62
  6. Step 6: Final answer
    x = 24,934,348.19

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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.