Home / 42,395,923.80-63,593,885.70-12,099,850.20

Finding the Fourth Proportional to 42,395,923.80, 63,593,885.70 and 12,099,850.20

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Solution

The fourth proportional to 42,395,923.80, 63,593,885.70 and 12,099,850.20 is: 18,149,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395,923.80 : 63,593,885.70 = 12,099,850.20 : x
  2. Step 2: Convert to fraction form
    42,395,923.80/63,593,885.70 = 12,099,850.20/x
  3. Step 3: Cross multiply
    42,395,923.80x = 63,593,885.70 × 12,099,850.20
  4. Step 4: Simplify right side
    42,395,923.80x = 769,476,490,605,922.12
  5. Step 5: Solve for x
    x = 769,476,490,605,922.12/42,395,923.80
  6. Step 6: Final answer
    x = 18,149,775.30

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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.