Home / 10,078,733.91-13,909,833.59-5,728,474.14

Finding the Fourth Proportional to 10,078,733.91, 13,909,833.59 and 5,728,474.14

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Solution

The fourth proportional to 10,078,733.91, 13,909,833.59 and 5,728,474.14 is: 7,905,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,733.91 : 13,909,833.59 = 5,728,474.14 : x
  2. Step 2: Convert to fraction form
    10,078,733.91/13,909,833.59 = 5,728,474.14/x
  3. Step 3: Cross multiply
    10,078,733.91x = 13,909,833.59 × 5,728,474.14
  4. Step 4: Simplify right side
    10,078,733.91x = 79,682,121,963,436.78
  5. Step 5: Solve for x
    x = 79,682,121,963,436.78/10,078,733.91
  6. Step 6: Final answer
    x = 7,905,965.44

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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.