Home / 9,515,613-13,131,560.37-5,164,700.90

Finding the Fourth Proportional to 9,515,613, 13,131,560.37 and 5,164,700.90

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Solution

The fourth proportional to 9,515,613, 13,131,560.37 and 5,164,700.90 is: 7,127,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,613 : 13,131,560.37 = 5,164,700.90 : x
  2. Step 2: Convert to fraction form
    9,515,613/13,131,560.37 = 5,164,700.90/x
  3. Step 3: Cross multiply
    9,515,613x = 13,131,560.37 × 5,164,700.90
  4. Step 4: Simplify right side
    9,515,613x = 67,820,581,595,685.52
  5. Step 5: Solve for x
    x = 67,820,581,595,685.52/9,515,613
  6. Step 6: Final answer
    x = 7,127,295.07

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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.