Home / 12,307,902.20-18,436,970.10-8,276,823.80

Finding the Fourth Proportional to 12,307,902.20, 18,436,970.10 and 8,276,823.80

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Solution

The fourth proportional to 12,307,902.20, 18,436,970.10 and 8,276,823.80 is: 12,398,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,902.20 : 18,436,970.10 = 8,276,823.80 : x
  2. Step 2: Convert to fraction form
    12,307,902.20/18,436,970.10 = 8,276,823.80/x
  3. Step 3: Cross multiply
    12,307,902.20x = 18,436,970.10 × 8,276,823.80
  4. Step 4: Simplify right side
    12,307,902.20x = 152,599,552,923,568.38
  5. Step 5: Solve for x
    x = 152,599,552,923,568.38/12,307,902.20
  6. Step 6: Final answer
    x = 12,398,502.23

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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.