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Finding the Fourth Proportional to 9,161,822.80, 13,744,289.40 and 2,772,024.40

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Solution

The fourth proportional to 9,161,822.80, 13,744,289.40 and 2,772,024.40 is: 4,158,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,822.80 : 13,744,289.40 = 2,772,024.40 : x
  2. Step 2: Convert to fraction form
    9,161,822.80/13,744,289.40 = 2,772,024.40/x
  3. Step 3: Cross multiply
    9,161,822.80x = 13,744,289.40 × 2,772,024.40
  4. Step 4: Simplify right side
    9,161,822.80x = 38,099,505,577,461.36
  5. Step 5: Solve for x
    x = 38,099,505,577,461.36/9,161,822.80
  6. Step 6: Final answer
    x = 4,158,507.15

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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.