Home / 15,812,679.52-21,821,516.40-8,569,335.52

Finding the Fourth Proportional to 15,812,679.52, 21,821,516.40 and 8,569,335.52

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Solution

The fourth proportional to 15,812,679.52, 21,821,516.40 and 8,569,335.52 is: 11,825,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812,679.52 : 21,821,516.40 = 8,569,335.52 : x
  2. Step 2: Convert to fraction form
    15,812,679.52/21,821,516.40 = 8,569,335.52/x
  3. Step 3: Cross multiply
    15,812,679.52x = 21,821,516.40 × 8,569,335.52
  4. Step 4: Simplify right side
    15,812,679.52x = 186,995,895,586,782.50
  5. Step 5: Solve for x
    x = 186,995,895,586,782.50/15,812,679.52
  6. Step 6: Final answer
    x = 11,825,693.13

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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.