Home / 8,902,406.70-13,353,610.05-8,122,959.90

Finding the Fourth Proportional to 8,902,406.70, 13,353,610.05 and 8,122,959.90

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Solution

The fourth proportional to 8,902,406.70, 13,353,610.05 and 8,122,959.90 is: 12,184,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,406.70 : 13,353,610.05 = 8,122,959.90 : x
  2. Step 2: Convert to fraction form
    8,902,406.70/13,353,610.05 = 8,122,959.90/x
  3. Step 3: Cross multiply
    8,902,406.70x = 13,353,610.05 × 8,122,959.90
  4. Step 4: Simplify right side
    8,902,406.70x = 108,470,838,956,387
  5. Step 5: Solve for x
    x = 108,470,838,956,387/8,902,406.70
  6. Step 6: Final answer
    x = 12,184,439.85

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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.