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Finding the Fourth Proportional to 8,871,228.90, 13,306,843.35 and 7,973,684.10

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Solution

The fourth proportional to 8,871,228.90, 13,306,843.35 and 7,973,684.10 is: 11,960,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,228.90 : 13,306,843.35 = 7,973,684.10 : x
  2. Step 2: Convert to fraction form
    8,871,228.90/13,306,843.35 = 7,973,684.10/x
  3. Step 3: Cross multiply
    8,871,228.90x = 13,306,843.35 × 7,973,684.10
  4. Step 4: Simplify right side
    8,871,228.90x = 106,104,565,241,085.73
  5. Step 5: Solve for x
    x = 106,104,565,241,085.73/8,871,228.90
  6. Step 6: Final answer
    x = 11,960,526.15

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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.