Home / 10,613,003.28-15,917,949.72-5,220,206.16

Finding the Fourth Proportional to 10,613,003.28, 15,917,949.72 and 5,220,206.16

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Solution

The fourth proportional to 10,613,003.28, 15,917,949.72 and 5,220,206.16 is: 7,829,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613,003.28 : 15,917,949.72 = 5,220,206.16 : x
  2. Step 2: Convert to fraction form
    10,613,003.28/15,917,949.72 = 5,220,206.16/x
  3. Step 3: Cross multiply
    10,613,003.28x = 15,917,949.72 × 5,220,206.16
  4. Step 4: Simplify right side
    10,613,003.28x = 83,094,979,182,914.28
  5. Step 5: Solve for x
    x = 83,094,979,182,914.28/10,613,003.28
  6. Step 6: Final answer
    x = 7,829,544.29

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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.