Home / 8,587,752.30-12,881,628.45-7,181,073.90

Finding the Fourth Proportional to 8,587,752.30, 12,881,628.45 and 7,181,073.90

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Solution

The fourth proportional to 8,587,752.30, 12,881,628.45 and 7,181,073.90 is: 10,771,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,752.30 : 12,881,628.45 = 7,181,073.90 : x
  2. Step 2: Convert to fraction form
    8,587,752.30/12,881,628.45 = 7,181,073.90/x
  3. Step 3: Cross multiply
    8,587,752.30x = 12,881,628.45 × 7,181,073.90
  4. Step 4: Simplify right side
    8,587,752.30x = 92,503,925,851,792.45
  5. Step 5: Solve for x
    x = 92,503,925,851,792.45/8,587,752.30
  6. Step 6: Final answer
    x = 10,771,610.85

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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.