Home / 21,023,161.16-29,007,629.34-12,080,543.60

Finding the Fourth Proportional to 21,023,161.16, 29,007,629.34 and 12,080,543.60

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Solution

The fourth proportional to 21,023,161.16, 29,007,629.34 and 12,080,543.60 is: 16,668,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023,161.16 : 29,007,629.34 = 12,080,543.60 : x
  2. Step 2: Convert to fraction form
    21,023,161.16/29,007,629.34 = 12,080,543.60/x
  3. Step 3: Cross multiply
    21,023,161.16x = 29,007,629.34 × 12,080,543.60
  4. Step 4: Simplify right side
    21,023,161.16x = 350,427,930,829,471.12
  5. Step 5: Solve for x
    x = 350,427,930,829,471.12/21,023,161.16
  6. Step 6: Final answer
    x = 16,668,660.25

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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.