Home / 25,287,774.38-34,897,128.22-13,685,337.86

Finding the Fourth Proportional to 25,287,774.38, 34,897,128.22 and 13,685,337.86

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Solution

The fourth proportional to 25,287,774.38, 34,897,128.22 and 13,685,337.86 is: 18,885,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287,774.38 : 34,897,128.22 = 13,685,337.86 : x
  2. Step 2: Convert to fraction form
    25,287,774.38/34,897,128.22 = 13,685,337.86/x
  3. Step 3: Cross multiply
    25,287,774.38x = 34,897,128.22 × 13,685,337.86
  4. Step 4: Simplify right side
    25,287,774.38x = 477,578,990,219,578.75
  5. Step 5: Solve for x
    x = 477,578,990,219,578.75/25,287,774.38
  6. Step 6: Final answer
    x = 18,885,766.02

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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.