Home / 8,711,144.74-13,065,865.65-2,645,929.12

Finding the Fourth Proportional to 8,711,144.74, 13,065,865.65 and 2,645,929.12

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Solution

The fourth proportional to 8,711,144.74, 13,065,865.65 and 2,645,929.12 is: 3,968,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,144.74 : 13,065,865.65 = 2,645,929.12 : x
  2. Step 2: Convert to fraction form
    8,711,144.74/13,065,865.65 = 2,645,929.12/x
  3. Step 3: Cross multiply
    8,711,144.74x = 13,065,865.65 × 2,645,929.12
  4. Step 4: Simplify right side
    8,711,144.74x = 34,571,354,401,342.73
  5. Step 5: Solve for x
    x = 34,571,354,401,342.73/8,711,144.74
  6. Step 6: Final answer
    x = 3,968,635.06

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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.