Home / 15,229,399.25-21,016,572.18-8,353,898.93

Finding the Fourth Proportional to 15,229,399.25, 21,016,572.18 and 8,353,898.93

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Solution

The fourth proportional to 15,229,399.25, 21,016,572.18 and 8,353,898.93 is: 11,528,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,399.25 : 21,016,572.18 = 8,353,898.93 : x
  2. Step 2: Convert to fraction form
    15,229,399.25/21,016,572.18 = 8,353,898.93/x
  3. Step 3: Cross multiply
    15,229,399.25x = 21,016,572.18 × 8,353,898.93
  4. Step 4: Simplify right side
    15,229,399.25x = 175,570,319,846,769.75
  5. Step 5: Solve for x
    x = 175,570,319,846,769.75/15,229,399.25
  6. Step 6: Final answer
    x = 11,528,381.19

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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.