Home / 18,860,446.96-28,290,868.08-15,097,847.92

Finding the Fourth Proportional to 18,860,446.96, 28,290,868.08 and 15,097,847.92

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Solution

The fourth proportional to 18,860,446.96, 28,290,868.08 and 15,097,847.92 is: 22,646,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860,446.96 : 28,290,868.08 = 15,097,847.92 : x
  2. Step 2: Convert to fraction form
    18,860,446.96/28,290,868.08 = 15,097,847.92/x
  3. Step 3: Cross multiply
    18,860,446.96x = 28,290,868.08 × 15,097,847.92
  4. Step 4: Simplify right side
    18,860,446.96x = 427,131,223,796,622.38
  5. Step 5: Solve for x
    x = 427,131,223,796,622.38/18,860,446.96
  6. Step 6: Final answer
    x = 22,646,930.09

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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.