Home / 10,388,872.74-14,336,369.36-5,805,231.78

Finding the Fourth Proportional to 10,388,872.74, 14,336,369.36 and 5,805,231.78

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Solution

The fourth proportional to 10,388,872.74, 14,336,369.36 and 5,805,231.78 is: 8,011,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,872.74 : 14,336,369.36 = 5,805,231.78 : x
  2. Step 2: Convert to fraction form
    10,388,872.74/14,336,369.36 = 5,805,231.78/x
  3. Step 3: Cross multiply
    10,388,872.74x = 14,336,369.36 × 5,805,231.78
  4. Step 4: Simplify right side
    10,388,872.74x = 83,225,947,018,490.27
  5. Step 5: Solve for x
    x = 83,225,947,018,490.27/10,388,872.74
  6. Step 6: Final answer
    x = 8,011,066.18

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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.