Home / 16,128,378.60-24,192,567.90-15,580,948.20

Finding the Fourth Proportional to 16,128,378.60, 24,192,567.90 and 15,580,948.20

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Solution

The fourth proportional to 16,128,378.60, 24,192,567.90 and 15,580,948.20 is: 23,371,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,378.60 : 24,192,567.90 = 15,580,948.20 : x
  2. Step 2: Convert to fraction form
    16,128,378.60/24,192,567.90 = 15,580,948.20/x
  3. Step 3: Cross multiply
    16,128,378.60x = 24,192,567.90 × 15,580,948.20
  4. Step 4: Simplify right side
    16,128,378.60x = 376,943,147,274,882.75
  5. Step 5: Solve for x
    x = 376,943,147,274,882.75/16,128,378.60
  6. Step 6: Final answer
    x = 23,371,422.30

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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.