Home / 12,269,006.50-16,932,488.65-7,375,812.70

Finding the Fourth Proportional to 12,269,006.50, 16,932,488.65 and 7,375,812.70

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Solution

The fourth proportional to 12,269,006.50, 16,932,488.65 and 7,375,812.70 is: 10,179,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,006.50 : 16,932,488.65 = 7,375,812.70 : x
  2. Step 2: Convert to fraction form
    12,269,006.50/16,932,488.65 = 7,375,812.70/x
  3. Step 3: Cross multiply
    12,269,006.50x = 16,932,488.65 × 7,375,812.70
  4. Step 4: Simplify right side
    12,269,006.50x = 124,890,864,827,275.84
  5. Step 5: Solve for x
    x = 124,890,864,827,275.84/12,269,006.50
  6. Step 6: Final answer
    x = 10,179,378.81

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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.