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Finding the Fourth Proportional to 9,199,254.60, 13,798,881.90 and 3,140,827.20

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Solution

The fourth proportional to 9,199,254.60, 13,798,881.90 and 3,140,827.20 is: 4,711,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199,254.60 : 13,798,881.90 = 3,140,827.20 : x
  2. Step 2: Convert to fraction form
    9,199,254.60/13,798,881.90 = 3,140,827.20/x
  3. Step 3: Cross multiply
    9,199,254.60x = 13,798,881.90 × 3,140,827.20
  4. Step 4: Simplify right side
    9,199,254.60x = 43,339,903,601,107.69
  5. Step 5: Solve for x
    x = 43,339,903,601,107.69/9,199,254.60
  6. Step 6: Final answer
    x = 4,711,240.80

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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.