Home / 12,154,214.60-18,231,321.90-4,961,025.80

Finding the Fourth Proportional to 12,154,214.60, 18,231,321.90 and 4,961,025.80

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Solution

The fourth proportional to 12,154,214.60, 18,231,321.90 and 4,961,025.80 is: 7,441,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,214.60 : 18,231,321.90 = 4,961,025.80 : x
  2. Step 2: Convert to fraction form
    12,154,214.60/18,231,321.90 = 4,961,025.80/x
  3. Step 3: Cross multiply
    12,154,214.60x = 18,231,321.90 × 4,961,025.80
  4. Step 4: Simplify right side
    12,154,214.60x = 90,446,058,314,005.02
  5. Step 5: Solve for x
    x = 90,446,058,314,005.02/12,154,214.60
  6. Step 6: Final answer
    x = 7,441,538.70

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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.