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Finding the Fourth Proportional to 9,355,658.40, 14,033,487.60 and 8,836,027.20

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Solution

The fourth proportional to 9,355,658.40, 14,033,487.60 and 8,836,027.20 is: 13,254,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,658.40 : 14,033,487.60 = 8,836,027.20 : x
  2. Step 2: Convert to fraction form
    9,355,658.40/14,033,487.60 = 8,836,027.20/x
  3. Step 3: Cross multiply
    9,355,658.40x = 14,033,487.60 × 8,836,027.20
  4. Step 4: Simplify right side
    9,355,658.40x = 124,000,278,144,462.70
  5. Step 5: Solve for x
    x = 124,000,278,144,462.70/9,355,658.40
  6. Step 6: Final answer
    x = 13,254,040.80

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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.