Home / 20,830,916.95-31,234,985.24-16,540,527.31

Finding the Fourth Proportional to 20,830,916.95, 31,234,985.24 and 16,540,527.31

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Solution

The fourth proportional to 20,830,916.95, 31,234,985.24 and 16,540,527.31 is: 24,801,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,916.95 : 31,234,985.24 = 16,540,527.31 : x
  2. Step 2: Convert to fraction form
    20,830,916.95/31,234,985.24 = 16,540,527.31/x
  3. Step 3: Cross multiply
    20,830,916.95x = 31,234,985.24 × 16,540,527.31
  4. Step 4: Simplify right side
    20,830,916.95x = 516,643,126,228,876.75
  5. Step 5: Solve for x
    x = 516,643,126,228,876.75/20,830,916.95
  6. Step 6: Final answer
    x = 24,801,746.73

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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.