Home / 7,538,110.65-11,310,902.40-2,989,061.95

Finding the Fourth Proportional to 7,538,110.65, 11,310,902.40 and 2,989,061.95

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Solution

The fourth proportional to 7,538,110.65, 11,310,902.40 and 2,989,061.95 is: 4,485,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,110.65 : 11,310,902.40 = 2,989,061.95 : x
  2. Step 2: Convert to fraction form
    7,538,110.65/11,310,902.40 = 2,989,061.95/x
  3. Step 3: Cross multiply
    7,538,110.65x = 11,310,902.40 × 2,989,061.95
  4. Step 4: Simplify right side
    7,538,110.65x = 33,808,987,984,003.68
  5. Step 5: Solve for x
    x = 33,808,987,984,003.68/7,538,110.65
  6. Step 6: Final answer
    x = 4,485,074.52

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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.