Home / 15,037,196.20-20,751,278.02-8,161,677.80

Finding the Fourth Proportional to 15,037,196.20, 20,751,278.02 and 8,161,677.80

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Solution

The fourth proportional to 15,037,196.20, 20,751,278.02 and 8,161,677.80 is: 11,263,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,196.20 : 20,751,278.02 = 8,161,677.80 : x
  2. Step 2: Convert to fraction form
    15,037,196.20/20,751,278.02 = 8,161,677.80/x
  3. Step 3: Cross multiply
    15,037,196.20x = 20,751,278.02 × 8,161,677.80
  4. Step 4: Simplify right side
    15,037,196.20x = 169,365,245,137,461.94
  5. Step 5: Solve for x
    x = 169,365,245,137,461.94/15,037,196.20
  6. Step 6: Final answer
    x = 11,263,086.74

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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.