Home / 28,192,585.28-38,902,647.52-15,633,324.16

Finding the Fourth Proportional to 28,192,585.28, 38,902,647.52 and 15,633,324.16

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Solution

The fourth proportional to 28,192,585.28, 38,902,647.52 and 15,633,324.16 is: 21,572,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,585.28 : 38,902,647.52 = 15,633,324.16 : x
  2. Step 2: Convert to fraction form
    28,192,585.28/38,902,647.52 = 15,633,324.16/x
  3. Step 3: Cross multiply
    28,192,585.28x = 38,902,647.52 × 15,633,324.16
  4. Step 4: Simplify right side
    28,192,585.28x = 608,177,699,362,380.12
  5. Step 5: Solve for x
    x = 608,177,699,362,380.12/28,192,585.28
  6. Step 6: Final answer
    x = 21,572,257.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.