Home / 15,233,545.28-21,021,912.74-8,527,784.11

Finding the Fourth Proportional to 15,233,545.28, 21,021,912.74 and 8,527,784.11

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Solution

The fourth proportional to 15,233,545.28, 21,021,912.74 and 8,527,784.11 is: 11,768,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233,545.28 : 21,021,912.74 = 8,527,784.11 : x
  2. Step 2: Convert to fraction form
    15,233,545.28/21,021,912.74 = 8,527,784.11/x
  3. Step 3: Cross multiply
    15,233,545.28x = 21,021,912.74 × 8,527,784.11
  4. Step 4: Simplify right side
    15,233,545.28x = 179,270,333,394,743.25
  5. Step 5: Solve for x
    x = 179,270,333,394,743.25/15,233,545.28
  6. Step 6: Final answer
    x = 11,768,129.48

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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.