Home / 15,658,597.52-21,608,820.34-8,690,327.10

Finding the Fourth Proportional to 15,658,597.52, 21,608,820.34 and 8,690,327.10

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Solution

The fourth proportional to 15,658,597.52, 21,608,820.34 and 8,690,327.10 is: 11,992,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658,597.52 : 21,608,820.34 = 8,690,327.10 : x
  2. Step 2: Convert to fraction form
    15,658,597.52/21,608,820.34 = 8,690,327.10/x
  3. Step 3: Cross multiply
    15,658,597.52x = 21,608,820.34 × 8,690,327.10
  4. Step 4: Simplify right side
    15,658,597.52x = 187,787,716,999,733.22
  5. Step 5: Solve for x
    x = 187,787,716,999,733.22/15,658,597.52
  6. Step 6: Final answer
    x = 11,992,626.85

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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.