Home / 20,523,743.96-28,318,269.26-12,262,565.30

Finding the Fourth Proportional to 20,523,743.96, 28,318,269.26 and 12,262,565.30

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Solution

The fourth proportional to 20,523,743.96, 28,318,269.26 and 12,262,565.30 is: 16,919,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523,743.96 : 28,318,269.26 = 12,262,565.30 : x
  2. Step 2: Convert to fraction form
    20,523,743.96/28,318,269.26 = 12,262,565.30/x
  3. Step 3: Cross multiply
    20,523,743.96x = 28,318,269.26 × 12,262,565.30
  4. Step 4: Simplify right side
    20,523,743.96x = 347,254,625,872,797.75
  5. Step 5: Solve for x
    x = 347,254,625,872,797.75/20,523,743.96
  6. Step 6: Final answer
    x = 16,919,652.99

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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.