Home / 18,816,101.40-28,224,152.10-12,446,002.20

Finding the Fourth Proportional to 18,816,101.40, 28,224,152.10 and 12,446,002.20

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Solution

The fourth proportional to 18,816,101.40, 28,224,152.10 and 12,446,002.20 is: 18,669,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,101.40 : 28,224,152.10 = 12,446,002.20 : x
  2. Step 2: Convert to fraction form
    18,816,101.40/28,224,152.10 = 12,446,002.20/x
  3. Step 3: Cross multiply
    18,816,101.40x = 28,224,152.10 × 12,446,002.20
  4. Step 4: Simplify right side
    18,816,101.40x = 351,277,859,129,734.62
  5. Step 5: Solve for x
    x = 351,277,859,129,734.62/18,816,101.40
  6. Step 6: Final answer
    x = 18,669,003.30

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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.