Home / 8,690,820.90-13,036,166.55-2,625,540.90

Finding the Fourth Proportional to 8,690,820.90, 13,036,166.55 and 2,625,540.90

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Solution

The fourth proportional to 8,690,820.90, 13,036,166.55 and 2,625,540.90 is: 3,938,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,820.90 : 13,036,166.55 = 2,625,540.90 : x
  2. Step 2: Convert to fraction form
    8,690,820.90/13,036,166.55 = 2,625,540.90/x
  3. Step 3: Cross multiply
    8,690,820.90x = 13,036,166.55 × 2,625,540.90
  4. Step 4: Simplify right side
    8,690,820.90x = 34,226,988,456,236.89
  5. Step 5: Solve for x
    x = 34,226,988,456,236.89/8,690,820.90
  6. Step 6: Final answer
    x = 3,938,291.77

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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.