Home / 43,647,497.78-65,452,235.72-12,516,276.32

Finding the Fourth Proportional to 43,647,497.78, 65,452,235.72 and 12,516,276.32

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Solution

The fourth proportional to 43,647,497.78, 65,452,235.72 and 12,516,276.32 is: 18,768,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647,497.78 : 65,452,235.72 = 12,516,276.32 : x
  2. Step 2: Convert to fraction form
    43,647,497.78/65,452,235.72 = 12,516,276.32/x
  3. Step 3: Cross multiply
    43,647,497.78x = 65,452,235.72 × 12,516,276.32
  4. Step 4: Simplify right side
    43,647,497.78x = 819,218,267,643,451.62
  5. Step 5: Solve for x
    x = 819,218,267,643,451.62/43,647,497.78
  6. Step 6: Final answer
    x = 18,768,962.93

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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.