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Finding the Fourth Proportional to 9,739,806, 13,440,978.36 and 5,447,454

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Solution

The fourth proportional to 9,739,806, 13,440,978.36 and 5,447,454 is: 7,517,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739,806 : 13,440,978.36 = 5,447,454 : x
  2. Step 2: Convert to fraction form
    9,739,806/13,440,978.36 = 5,447,454/x
  3. Step 3: Cross multiply
    9,739,806x = 13,440,978.36 × 5,447,454
  4. Step 4: Simplify right side
    9,739,806x = 73,219,111,331,095.44
  5. Step 5: Solve for x
    x = 73,219,111,331,095.44/9,739,806
  6. Step 6: Final answer
    x = 7,517,512.29

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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.