Home / 20,941,815.40-31,436,342.70-16,170,656.20

Finding the Fourth Proportional to 20,941,815.40, 31,436,342.70 and 16,170,656.20

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Solution

The fourth proportional to 20,941,815.40, 31,436,342.70 and 16,170,656.20 is: 24,274,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,815.40 : 31,436,342.70 = 16,170,656.20 : x
  2. Step 2: Convert to fraction form
    20,941,815.40/31,436,342.70 = 16,170,656.20/x
  3. Step 3: Cross multiply
    20,941,815.40x = 31,436,342.70 × 16,170,656.20
  4. Step 4: Simplify right side
    20,941,815.40x = 508,346,289,987,079.69
  5. Step 5: Solve for x
    x = 508,346,289,987,079.69/20,941,815.40
  6. Step 6: Final answer
    x = 24,274,222.66

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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.