Home / 15,770,023.20-23,645,703.60-8,211,751.20

Finding the Fourth Proportional to 15,770,023.20, 23,645,703.60 and 8,211,751.20

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Solution

The fourth proportional to 15,770,023.20, 23,645,703.60 and 8,211,751.20 is: 12,312,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,023.20 : 23,645,703.60 = 8,211,751.20 : x
  2. Step 2: Convert to fraction form
    15,770,023.20/23,645,703.60 = 8,211,751.20/x
  3. Step 3: Cross multiply
    15,770,023.20x = 23,645,703.60 × 8,211,751.20
  4. Step 4: Simplify right side
    15,770,023.20x = 194,172,634,912,144.34
  5. Step 5: Solve for x
    x = 194,172,634,912,144.34/15,770,023.20
  6. Step 6: Final answer
    x = 12,312,767.87

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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.