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Finding the Fourth Proportional to 13,894,607.22, 20,841,959.97 and 9,838,826.52

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Solution

The fourth proportional to 13,894,607.22, 20,841,959.97 and 9,838,826.52 is: 14,758,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894,607.22 : 20,841,959.97 = 9,838,826.52 : x
  2. Step 2: Convert to fraction form
    13,894,607.22/20,841,959.97 = 9,838,826.52/x
  3. Step 3: Cross multiply
    13,894,607.22x = 20,841,959.97 × 9,838,826.52
  4. Step 4: Simplify right side
    13,894,607.22x = 205,060,428,481,614.38
  5. Step 5: Solve for x
    x = 205,060,428,481,614.38/13,894,607.22
  6. Step 6: Final answer
    x = 14,758,274.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.