Home / 12,101,305.20-18,151,957.80-12,030,446.40

Finding the Fourth Proportional to 12,101,305.20, 18,151,957.80 and 12,030,446.40

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Solution

The fourth proportional to 12,101,305.20, 18,151,957.80 and 12,030,446.40 is: 18,045,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,305.20 : 18,151,957.80 = 12,030,446.40 : x
  2. Step 2: Convert to fraction form
    12,101,305.20/18,151,957.80 = 12,030,446.40/x
  3. Step 3: Cross multiply
    12,101,305.20x = 18,151,957.80 × 12,030,446.40
  4. Step 4: Simplify right side
    12,101,305.20x = 218,376,155,367,961.94
  5. Step 5: Solve for x
    x = 218,376,155,367,961.94/12,101,305.20
  6. Step 6: Final answer
    x = 18,045,669.60

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Similar ratio
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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.