Home / 13,412,708.10-20,121,686.55-5,736,338.10

Finding the Fourth Proportional to 13,412,708.10, 20,121,686.55 and 5,736,338.10

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Solution

The fourth proportional to 13,412,708.10, 20,121,686.55 and 5,736,338.10 is: 8,605,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,708.10 : 20,121,686.55 = 5,736,338.10 : x
  2. Step 2: Convert to fraction form
    13,412,708.10/20,121,686.55 = 5,736,338.10/x
  3. Step 3: Cross multiply
    13,412,708.10x = 20,121,686.55 × 5,736,338.10
  4. Step 4: Simplify right side
    13,412,708.10x = 115,424,797,193,022.55
  5. Step 5: Solve for x
    x = 115,424,797,193,022.55/13,412,708.10
  6. Step 6: Final answer
    x = 8,605,629.55

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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.