Home / 7,749,562.56-10,695,876.57-5,131,451.40

Finding the Fourth Proportional to 7,749,562.56, 10,695,876.57 and 5,131,451.40

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Solution

The fourth proportional to 7,749,562.56, 10,695,876.57 and 5,131,451.40 is: 7,082,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749,562.56 : 10,695,876.57 = 5,131,451.40 : x
  2. Step 2: Convert to fraction form
    7,749,562.56/10,695,876.57 = 5,131,451.40/x
  3. Step 3: Cross multiply
    7,749,562.56x = 10,695,876.57 × 5,131,451.40
  4. Step 4: Simplify right side
    7,749,562.56x = 54,885,370,799,353.70
  5. Step 5: Solve for x
    x = 54,885,370,799,353.70/7,749,562.56
  6. Step 6: Final answer
    x = 7,082,383.09

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1.5x scale

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.