Home / 20,837,180.28-28,750,114.44-12,019,327.50

Finding the Fourth Proportional to 20,837,180.28, 28,750,114.44 and 12,019,327.50

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Solution

The fourth proportional to 20,837,180.28, 28,750,114.44 and 12,019,327.50 is: 16,583,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,180.28 : 28,750,114.44 = 12,019,327.50 : x
  2. Step 2: Convert to fraction form
    20,837,180.28/28,750,114.44 = 12,019,327.50/x
  3. Step 3: Cross multiply
    20,837,180.28x = 28,750,114.44 × 12,019,327.50
  4. Step 4: Simplify right side
    20,837,180.28x = 345,557,041,116,839.12
  5. Step 5: Solve for x
    x = 345,557,041,116,839.12/20,837,180.28
  6. Step 6: Final answer
    x = 16,583,675.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.