Home / 20,205,016.10-30,307,524.15-12,127,112.90

Finding the Fourth Proportional to 20,205,016.10, 30,307,524.15 and 12,127,112.90

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Solution

The fourth proportional to 20,205,016.10, 30,307,524.15 and 12,127,112.90 is: 18,190,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205,016.10 : 30,307,524.15 = 12,127,112.90 : x
  2. Step 2: Convert to fraction form
    20,205,016.10/30,307,524.15 = 12,127,112.90/x
  3. Step 3: Cross multiply
    20,205,016.10x = 30,307,524.15 × 12,127,112.90
  4. Step 4: Simplify right side
    20,205,016.10x = 367,542,767,086,526.50
  5. Step 5: Solve for x
    x = 367,542,767,086,526.50/20,205,016.10
  6. Step 6: Final answer
    x = 18,190,669.35

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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.