Home / 10,128,540.11-13,977,385.82-5,544,861.48

Finding the Fourth Proportional to 10,128,540.11, 13,977,385.82 and 5,544,861.48

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Solution

The fourth proportional to 10,128,540.11, 13,977,385.82 and 5,544,861.48 is: 7,651,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,540.11 : 13,977,385.82 = 5,544,861.48 : x
  2. Step 2: Convert to fraction form
    10,128,540.11/13,977,385.82 = 5,544,861.48/x
  3. Step 3: Cross multiply
    10,128,540.11x = 13,977,385.82 × 5,544,861.48
  4. Step 4: Simplify right side
    10,128,540.11x = 77,502,668,217,485.14
  5. Step 5: Solve for x
    x = 77,502,668,217,485.14/10,128,540.11
  6. Step 6: Final answer
    x = 7,651,909.10

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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.