Home / 8,587,908.60-12,881,862.90-7,418,738.40

Finding the Fourth Proportional to 8,587,908.60, 12,881,862.90 and 7,418,738.40

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Solution

The fourth proportional to 8,587,908.60, 12,881,862.90 and 7,418,738.40 is: 11,128,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,908.60 : 12,881,862.90 = 7,418,738.40 : x
  2. Step 2: Convert to fraction form
    8,587,908.60/12,881,862.90 = 7,418,738.40/x
  3. Step 3: Cross multiply
    8,587,908.60x = 12,881,862.90 × 7,418,738.40
  4. Step 4: Simplify right side
    8,587,908.60x = 95,567,170,959,765.38
  5. Step 5: Solve for x
    x = 95,567,170,959,765.38/8,587,908.60
  6. Step 6: Final answer
    x = 11,128,107.60

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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.