Home / 10,388,868.74-14,336,363.85-5,805,227.78

Finding the Fourth Proportional to 10,388,868.74, 14,336,363.85 and 5,805,227.78

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Solution

The fourth proportional to 10,388,868.74, 14,336,363.85 and 5,805,227.78 is: 8,011,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,868.74 : 14,336,363.85 = 5,805,227.78 : x
  2. Step 2: Convert to fraction form
    10,388,868.74/14,336,363.85 = 5,805,227.78/x
  3. Step 3: Cross multiply
    10,388,868.74x = 14,336,363.85 × 5,805,227.78
  4. Step 4: Simplify right side
    10,388,868.74x = 83,225,857,686,207.75
  5. Step 5: Solve for x
    x = 83,225,857,686,207.75/10,388,868.74
  6. Step 6: Final answer
    x = 8,011,060.66

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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.