Home / 11,561,380.40-17,323,408.20-9,657,815.60

Finding the Fourth Proportional to 11,561,380.40, 17,323,408.20 and 9,657,815.60

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Solution

The fourth proportional to 11,561,380.40, 17,323,408.20 and 9,657,815.60 is: 14,471,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561,380.40 : 17,323,408.20 = 9,657,815.60 : x
  2. Step 2: Convert to fraction form
    11,561,380.40/17,323,408.20 = 9,657,815.60/x
  3. Step 3: Cross multiply
    11,561,380.40x = 17,323,408.20 × 9,657,815.60
  4. Step 4: Simplify right side
    11,561,380.40x = 167,306,281,959,127.91
  5. Step 5: Solve for x
    x = 167,306,281,959,127.91/11,561,380.40
  6. Step 6: Final answer
    x = 14,471,133.74

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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.