Home / 15,774,907.20-23,663,138.40-8,216,635.20

Finding the Fourth Proportional to 15,774,907.20, 23,663,138.40 and 8,216,635.20

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Solution

The fourth proportional to 15,774,907.20, 23,663,138.40 and 8,216,635.20 is: 12,325,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,907.20 : 23,663,138.40 = 8,216,635.20 : x
  2. Step 2: Convert to fraction form
    15,774,907.20/23,663,138.40 = 8,216,635.20/x
  3. Step 3: Cross multiply
    15,774,907.20x = 23,663,138.40 × 8,216,635.20
  4. Step 4: Simplify right side
    15,774,907.20x = 194,431,375,919,911.69
  5. Step 5: Solve for x
    x = 194,431,375,919,911.69/15,774,907.20
  6. Step 6: Final answer
    x = 12,325,357.83

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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.