Home / 10,620,658.20-15,929,144.10-3,885,605.40

Finding the Fourth Proportional to 10,620,658.20, 15,929,144.10 and 3,885,605.40

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Solution

The fourth proportional to 10,620,658.20, 15,929,144.10 and 3,885,605.40 is: 5,827,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620,658.20 : 15,929,144.10 = 3,885,605.40 : x
  2. Step 2: Convert to fraction form
    10,620,658.20/15,929,144.10 = 3,885,605.40/x
  3. Step 3: Cross multiply
    10,620,658.20x = 15,929,144.10 × 3,885,605.40
  4. Step 4: Simplify right side
    10,620,658.20x = 61,894,368,332,338.14
  5. Step 5: Solve for x
    x = 61,894,368,332,338.14/10,620,658.20
  6. Step 6: Final answer
    x = 5,827,733.76

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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.