Home / 28,715,572.80-43,015,298.40-17,899,675.20

Finding the Fourth Proportional to 28,715,572.80, 43,015,298.40 and 17,899,675.20

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Solution

The fourth proportional to 28,715,572.80, 43,015,298.40 and 17,899,675.20 is: 26,813,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715,572.80 : 43,015,298.40 = 17,899,675.20 : x
  2. Step 2: Convert to fraction form
    28,715,572.80/43,015,298.40 = 17,899,675.20/x
  3. Step 3: Cross multiply
    28,715,572.80x = 43,015,298.40 × 17,899,675.20
  4. Step 4: Simplify right side
    28,715,572.80x = 769,959,869,991,079.62
  5. Step 5: Solve for x
    x = 769,959,869,991,079.62/28,715,572.80
  6. Step 6: Final answer
    x = 26,813,320.96

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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.