Home / 21,384,305.70-32,020,471.35-15,673,611.30

Finding the Fourth Proportional to 21,384,305.70, 32,020,471.35 and 15,673,611.30

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Solution

The fourth proportional to 21,384,305.70, 32,020,471.35 and 15,673,611.30 is: 23,469,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,305.70 : 32,020,471.35 = 15,673,611.30 : x
  2. Step 2: Convert to fraction form
    21,384,305.70/32,020,471.35 = 15,673,611.30/x
  3. Step 3: Cross multiply
    21,384,305.70x = 32,020,471.35 × 15,673,611.30
  4. Step 4: Simplify right side
    21,384,305.70x = 501,876,421,582,686.31
  5. Step 5: Solve for x
    x = 501,876,421,582,686.31/21,384,305.70
  6. Step 6: Final answer
    x = 23,469,381.17

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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.