Home / 11,127,938.20-16,691,907.30-8,258,156.80

Finding the Fourth Proportional to 11,127,938.20, 16,691,907.30 and 8,258,156.80

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Solution

The fourth proportional to 11,127,938.20, 16,691,907.30 and 8,258,156.80 is: 12,387,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,938.20 : 16,691,907.30 = 8,258,156.80 : x
  2. Step 2: Convert to fraction form
    11,127,938.20/16,691,907.30 = 8,258,156.80/x
  3. Step 3: Cross multiply
    11,127,938.20x = 16,691,907.30 × 8,258,156.80
  4. Step 4: Simplify right side
    11,127,938.20x = 137,844,387,774,464.64
  5. Step 5: Solve for x
    x = 137,844,387,774,464.64/11,127,938.20
  6. Step 6: Final answer
    x = 12,387,235.20

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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.