Home / 15,048,100.38-20,767,659.29-8,522,890.64

Finding the Fourth Proportional to 15,048,100.38, 20,767,659.29 and 8,522,890.64

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Solution

The fourth proportional to 15,048,100.38, 20,767,659.29 and 8,522,890.64 is: 11,762,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,100.38 : 20,767,659.29 = 8,522,890.64 : x
  2. Step 2: Convert to fraction form
    15,048,100.38/20,767,659.29 = 8,522,890.64/x
  3. Step 3: Cross multiply
    15,048,100.38x = 20,767,659.29 × 8,522,890.64
  4. Step 4: Simplify right side
    15,048,100.38x = 177,000,488,830,997.28
  5. Step 5: Solve for x
    x = 177,000,488,830,997.28/15,048,100.38
  6. Step 6: Final answer
    x = 11,762,314.47

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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.