Home / 9,515,856.19-13,131,529.72-5,164,849.75

Finding the Fourth Proportional to 9,515,856.19, 13,131,529.72 and 5,164,849.75

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Solution

The fourth proportional to 9,515,856.19, 13,131,529.72 and 5,164,849.75 is: 7,127,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,856.19 : 13,131,529.72 = 5,164,849.75 : x
  2. Step 2: Convert to fraction form
    9,515,856.19/13,131,529.72 = 5,164,849.75/x
  3. Step 3: Cross multiply
    9,515,856.19x = 13,131,529.72 × 5,164,849.75
  4. Step 4: Simplify right side
    9,515,856.19x = 67,822,377,991,459.57
  5. Step 5: Solve for x
    x = 67,822,377,991,459.57/9,515,856.19
  6. Step 6: Final answer
    x = 7,127,301.70

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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.