Home / 18,715,209.62-28,075,492.11-5,762,456.06

Finding the Fourth Proportional to 18,715,209.62, 28,075,492.11 and 5,762,456.06

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Solution

The fourth proportional to 18,715,209.62, 28,075,492.11 and 5,762,456.06 is: 8,644,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,209.62 : 28,075,492.11 = 5,762,456.06 : x
  2. Step 2: Convert to fraction form
    18,715,209.62/28,075,492.11 = 5,762,456.06/x
  3. Step 3: Cross multiply
    18,715,209.62x = 28,075,492.11 × 5,762,456.06
  4. Step 4: Simplify right side
    18,715,209.62x = 161,783,789,646,751.66
  5. Step 5: Solve for x
    x = 161,783,789,646,751.66/18,715,209.62
  6. Step 6: Final answer
    x = 8,644,508.55

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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.