Home / 12,561,353.40-18,821,034.90-10,755,766.20

Finding the Fourth Proportional to 12,561,353.40, 18,821,034.90 and 10,755,766.20

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Solution

The fourth proportional to 12,561,353.40, 18,821,034.90 and 10,755,766.20 is: 16,115,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,353.40 : 18,821,034.90 = 10,755,766.20 : x
  2. Step 2: Convert to fraction form
    12,561,353.40/18,821,034.90 = 10,755,766.20/x
  3. Step 3: Cross multiply
    12,561,353.40x = 18,821,034.90 × 10,755,766.20
  4. Step 4: Simplify right side
    12,561,353.40x = 202,434,651,026,440.34
  5. Step 5: Solve for x
    x = 202,434,651,026,440.34/12,561,353.40
  6. Step 6: Final answer
    x = 16,115,671.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.