Home / 12,432,801.78-18,652,188.51-4,756,320.90

Finding the Fourth Proportional to 12,432,801.78, 18,652,188.51 and 4,756,320.90

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Solution

The fourth proportional to 12,432,801.78, 18,652,188.51 and 4,756,320.90 is: 7,135,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,801.78 : 18,652,188.51 = 4,756,320.90 : x
  2. Step 2: Convert to fraction form
    12,432,801.78/18,652,188.51 = 4,756,320.90/x
  3. Step 3: Cross multiply
    12,432,801.78x = 18,652,188.51 × 4,756,320.90
  4. Step 4: Simplify right side
    12,432,801.78x = 88,715,794,040,852.88
  5. Step 5: Solve for x
    x = 88,715,794,040,852.88/12,432,801.78
  6. Step 6: Final answer
    x = 7,135,623.62

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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.