Home / 9,340,923.68-12,888,878.27-5,419,780.89

Finding the Fourth Proportional to 9,340,923.68, 12,888,878.27 and 5,419,780.89

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Solution

The fourth proportional to 9,340,923.68, 12,888,878.27 and 5,419,780.89 is: 7,478,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,923.68 : 12,888,878.27 = 5,419,780.89 : x
  2. Step 2: Convert to fraction form
    9,340,923.68/12,888,878.27 = 5,419,780.89/x
  3. Step 3: Cross multiply
    9,340,923.68x = 12,888,878.27 × 5,419,780.89
  4. Step 4: Simplify right side
    9,340,923.68x = 69,854,896,192,577.17
  5. Step 5: Solve for x
    x = 69,854,896,192,577.17/9,340,923.68
  6. Step 6: Final answer
    x = 7,478,371.36

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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.