Home / 21,705,150.80-32,557,726.20-16,681,816.40

Finding the Fourth Proportional to 21,705,150.80, 32,557,726.20 and 16,681,816.40

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Solution

The fourth proportional to 21,705,150.80, 32,557,726.20 and 16,681,816.40 is: 25,022,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,150.80 : 32,557,726.20 = 16,681,816.40 : x
  2. Step 2: Convert to fraction form
    21,705,150.80/32,557,726.20 = 16,681,816.40/x
  3. Step 3: Cross multiply
    21,705,150.80x = 32,557,726.20 × 16,681,816.40
  4. Step 4: Simplify right side
    21,705,150.80x = 543,122,010,869,869.69
  5. Step 5: Solve for x
    x = 543,122,010,869,869.69/21,705,150.80
  6. Step 6: Final answer
    x = 25,022,724.60

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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.