Home / 12,250,515.66-16,905,574.14-6,743,772.78

Finding the Fourth Proportional to 12,250,515.66, 16,905,574.14 and 6,743,772.78

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Solution

The fourth proportional to 12,250,515.66, 16,905,574.14 and 6,743,772.78 is: 9,306,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,515.66 : 16,905,574.14 = 6,743,772.78 : x
  2. Step 2: Convert to fraction form
    12,250,515.66/16,905,574.14 = 6,743,772.78/x
  3. Step 3: Cross multiply
    12,250,515.66x = 16,905,574.14 × 6,743,772.78
  4. Step 4: Simplify right side
    12,250,515.66x = 114,007,350,715,603.92
  5. Step 5: Solve for x
    x = 114,007,350,715,603.92/12,250,515.66
  6. Step 6: Final answer
    x = 9,306,330.76

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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.