Home / 15,753,402.20-21,739,157.56-8,689,275.36

Finding the Fourth Proportional to 15,753,402.20, 21,739,157.56 and 8,689,275.36

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Solution

The fourth proportional to 15,753,402.20, 21,739,157.56 and 8,689,275.36 is: 11,990,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,402.20 : 21,739,157.56 = 8,689,275.36 : x
  2. Step 2: Convert to fraction form
    15,753,402.20/21,739,157.56 = 8,689,275.36/x
  3. Step 3: Cross multiply
    15,753,402.20x = 21,739,157.56 × 8,689,275.36
  4. Step 4: Simplify right side
    15,753,402.20x = 188,897,526,133,265.69
  5. Step 5: Solve for x
    x = 188,897,526,133,265.69/15,753,402.20
  6. Step 6: Final answer
    x = 11,990,903.54

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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.