Home / 25,432,611.80-38,148,917.70-8,160,779.30

Finding the Fourth Proportional to 25,432,611.80, 38,148,917.70 and 8,160,779.30

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Solution

The fourth proportional to 25,432,611.80, 38,148,917.70 and 8,160,779.30 is: 12,241,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432,611.80 : 38,148,917.70 = 8,160,779.30 : x
  2. Step 2: Convert to fraction form
    25,432,611.80/38,148,917.70 = 8,160,779.30/x
  3. Step 3: Cross multiply
    25,432,611.80x = 38,148,917.70 × 8,160,779.30
  4. Step 4: Simplify right side
    25,432,611.80x = 311,324,897,883,563.62
  5. Step 5: Solve for x
    x = 311,324,897,883,563.62/25,432,611.80
  6. Step 6: Final answer
    x = 12,241,168.95

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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.