Home / 19,681,807.20-29,522,710.80-12,498,496.35

Finding the Fourth Proportional to 19,681,807.20, 29,522,710.80 and 12,498,496.35

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Solution

The fourth proportional to 19,681,807.20, 29,522,710.80 and 12,498,496.35 is: 18,747,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,807.20 : 29,522,710.80 = 12,498,496.35 : x
  2. Step 2: Convert to fraction form
    19,681,807.20/29,522,710.80 = 12,498,496.35/x
  3. Step 3: Cross multiply
    19,681,807.20x = 29,522,710.80 × 12,498,496.35
  4. Step 4: Simplify right side
    19,681,807.20x = 368,989,493,175,905.56
  5. Step 5: Solve for x
    x = 368,989,493,175,905.56/19,681,807.20
  6. Step 6: Final answer
    x = 18,747,744.53

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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.