Home / 12,231,885.60-18,347,828.40-8,200,807.20

Finding the Fourth Proportional to 12,231,885.60, 18,347,828.40 and 8,200,807.20

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Solution

The fourth proportional to 12,231,885.60, 18,347,828.40 and 8,200,807.20 is: 12,301,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,885.60 : 18,347,828.40 = 8,200,807.20 : x
  2. Step 2: Convert to fraction form
    12,231,885.60/18,347,828.40 = 8,200,807.20/x
  3. Step 3: Cross multiply
    12,231,885.60x = 18,347,828.40 × 8,200,807.20
  4. Step 4: Simplify right side
    12,231,885.60x = 150,467,003,247,084.47
  5. Step 5: Solve for x
    x = 150,467,003,247,084.47/12,231,885.60
  6. Step 6: Final answer
    x = 12,301,210.80

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1.5x scale

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.