Home / 30,041,365.40-45,067,657.96-13,647,800.90

Finding the Fourth Proportional to 30,041,365.40, 45,067,657.96 and 13,647,800.90

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Solution

The fourth proportional to 30,041,365.40, 45,067,657.96 and 13,647,800.90 is: 20,474,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041,365.40 : 45,067,657.96 = 13,647,800.90 : x
  2. Step 2: Convert to fraction form
    30,041,365.40/45,067,657.96 = 13,647,800.90/x
  3. Step 3: Cross multiply
    30,041,365.40x = 45,067,657.96 × 13,647,800.90
  4. Step 4: Simplify right side
    30,041,365.40x = 615,074,422,867,380.25
  5. Step 5: Solve for x
    x = 615,074,422,867,380.25/30,041,365.40
  6. Step 6: Final answer
    x = 20,474,249.91

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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.