Home / 12,986,419.44-19,482,285.96-4,465,649.28

Finding the Fourth Proportional to 12,986,419.44, 19,482,285.96 and 4,465,649.28

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Solution

The fourth proportional to 12,986,419.44, 19,482,285.96 and 4,465,649.28 is: 6,699,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,419.44 : 19,482,285.96 = 4,465,649.28 : x
  2. Step 2: Convert to fraction form
    12,986,419.44/19,482,285.96 = 4,465,649.28/x
  3. Step 3: Cross multiply
    12,986,419.44x = 19,482,285.96 × 4,465,649.28
  4. Step 4: Simplify right side
    12,986,419.44x = 87,001,056,270,028.12
  5. Step 5: Solve for x
    x = 87,001,056,270,028.12/12,986,419.44
  6. Step 6: Final answer
    x = 6,699,387.52

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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.