Home / 42,373,520.87-63,560,871.80-12,081,383.87

Finding the Fourth Proportional to 42,373,520.87, 63,560,871.80 and 12,081,383.87

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Solution

The fourth proportional to 42,373,520.87, 63,560,871.80 and 12,081,383.87 is: 18,122,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373,520.87 : 63,560,871.80 = 12,081,383.87 : x
  2. Step 2: Convert to fraction form
    42,373,520.87/63,560,871.80 = 12,081,383.87/x
  3. Step 3: Cross multiply
    42,373,520.87x = 63,560,871.80 × 12,081,383.87
  4. Step 4: Simplify right side
    42,373,520.87x = 767,903,291,267,250.88
  5. Step 5: Solve for x
    x = 767,903,291,267,250.88/42,373,520.87
  6. Step 6: Final answer
    x = 18,122,244.16

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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.