Home / 10,697,082.80-16,023,851.40-6,641,121.20

Finding the Fourth Proportional to 10,697,082.80, 16,023,851.40 and 6,641,121.20

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Solution

The fourth proportional to 10,697,082.80, 16,023,851.40 and 6,641,121.20 is: 9,948,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697,082.80 : 16,023,851.40 = 6,641,121.20 : x
  2. Step 2: Convert to fraction form
    10,697,082.80/16,023,851.40 = 6,641,121.20/x
  3. Step 3: Cross multiply
    10,697,082.80x = 16,023,851.40 × 6,641,121.20
  4. Step 4: Simplify right side
    10,697,082.80x = 106,416,339,238,189.69
  5. Step 5: Solve for x
    x = 106,416,339,238,189.69/10,697,082.80
  6. Step 6: Final answer
    x = 9,948,164.49

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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.