Home / 28,082,874.40-42,124,311.60-13,715,159.20

Finding the Fourth Proportional to 28,082,874.40, 42,124,311.60 and 13,715,159.20

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Solution

The fourth proportional to 28,082,874.40, 42,124,311.60 and 13,715,159.20 is: 20,572,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,874.40 : 42,124,311.60 = 13,715,159.20 : x
  2. Step 2: Convert to fraction form
    28,082,874.40/42,124,311.60 = 13,715,159.20/x
  3. Step 3: Cross multiply
    28,082,874.40x = 42,124,311.60 × 13,715,159.20
  4. Step 4: Simplify right side
    28,082,874.40x = 577,741,639,784,406.75
  5. Step 5: Solve for x
    x = 577,741,639,784,406.75/28,082,874.40
  6. Step 6: Final answer
    x = 20,572,738.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.