Home / 15,745,774.80-23,618,662.20-5,108,206.80

Finding the Fourth Proportional to 15,745,774.80, 23,618,662.20 and 5,108,206.80

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Solution

The fourth proportional to 15,745,774.80, 23,618,662.20 and 5,108,206.80 is: 7,662,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745,774.80 : 23,618,662.20 = 5,108,206.80 : x
  2. Step 2: Convert to fraction form
    15,745,774.80/23,618,662.20 = 5,108,206.80/x
  3. Step 3: Cross multiply
    15,745,774.80x = 23,618,662.20 × 5,108,206.80
  4. Step 4: Simplify right side
    15,745,774.80x = 120,649,010,856,942.95
  5. Step 5: Solve for x
    x = 120,649,010,856,942.95/15,745,774.80
  6. Step 6: Final answer
    x = 7,662,310.20

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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.