Home / 43,895,432.09-65,844,641.39-20,854,475.36

Finding the Fourth Proportional to 43,895,432.09, 65,844,641.39 and 20,854,475.36

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Solution

The fourth proportional to 43,895,432.09, 65,844,641.39 and 20,854,475.36 is: 31,282,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,895,432.09 : 65,844,641.39 = 20,854,475.36 : x
  2. Step 2: Convert to fraction form
    43,895,432.09/65,844,641.39 = 20,854,475.36/x
  3. Step 3: Cross multiply
    43,895,432.09x = 65,844,641.39 × 20,854,475.36
  4. Step 4: Simplify right side
    43,895,432.09x = 1,373,155,451,455,791
  5. Step 5: Solve for x
    x = 1,373,155,451,455,791/43,895,432.09
  6. Step 6: Final answer
    x = 31,282,422.48

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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.