Home / 20,229,852.70-30,344,779.05-20,088,135.10

Finding the Fourth Proportional to 20,229,852.70, 30,344,779.05 and 20,088,135.10

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Solution

The fourth proportional to 20,229,852.70, 30,344,779.05 and 20,088,135.10 is: 30,132,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,852.70 : 30,344,779.05 = 20,088,135.10 : x
  2. Step 2: Convert to fraction form
    20,229,852.70/30,344,779.05 = 20,088,135.10/x
  3. Step 3: Cross multiply
    20,229,852.70x = 30,344,779.05 × 20,088,135.10
  4. Step 4: Simplify right side
    20,229,852.70x = 609,570,021,136,049.75
  5. Step 5: Solve for x
    x = 609,570,021,136,049.75/20,229,852.70
  6. Step 6: Final answer
    x = 30,132,202.65

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1.5x scale

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.