Home / 7,449,866.70-11,172,175.65-2,657,712.30

Finding the Fourth Proportional to 7,449,866.70, 11,172,175.65 and 2,657,712.30

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Solution

The fourth proportional to 7,449,866.70, 11,172,175.65 and 2,657,712.30 is: 3,985,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449,866.70 : 11,172,175.65 = 2,657,712.30 : x
  2. Step 2: Convert to fraction form
    7,449,866.70/11,172,175.65 = 2,657,712.30/x
  3. Step 3: Cross multiply
    7,449,866.70x = 11,172,175.65 × 2,657,712.30
  4. Step 4: Simplify right side
    7,449,866.70x = 29,692,428,642,765.49
  5. Step 5: Solve for x
    x = 29,692,428,642,765.49/7,449,866.70
  6. Step 6: Final answer
    x = 3,985,632.21

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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.