Home / 12,449,395.76-17,180,132.18-6,942,776.58

Finding the Fourth Proportional to 12,449,395.76, 17,180,132.18 and 6,942,776.58

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Solution

The fourth proportional to 12,449,395.76, 17,180,132.18 and 6,942,776.58 is: 9,581,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,395.76 : 17,180,132.18 = 6,942,776.58 : x
  2. Step 2: Convert to fraction form
    12,449,395.76/17,180,132.18 = 6,942,776.58/x
  3. Step 3: Cross multiply
    12,449,395.76x = 17,180,132.18 × 6,942,776.58
  4. Step 4: Simplify right side
    12,449,395.76x = 119,277,819,305,894.47
  5. Step 5: Solve for x
    x = 119,277,819,305,894.47/12,449,395.76
  6. Step 6: Final answer
    x = 9,581,012.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.