Home / 30,041,453.34-45,067,789.80-13,647,888.72

Finding the Fourth Proportional to 30,041,453.34, 45,067,789.80 and 13,647,888.72

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Solution

The fourth proportional to 30,041,453.34, 45,067,789.80 and 13,647,888.72 is: 20,474,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041,453.34 : 45,067,789.80 = 13,647,888.72 : x
  2. Step 2: Convert to fraction form
    30,041,453.34/45,067,789.80 = 13,647,888.72/x
  3. Step 3: Cross multiply
    30,041,453.34x = 45,067,789.80 × 13,647,888.72
  4. Step 4: Simplify right side
    30,041,453.34x = 615,080,180,046,751
  5. Step 5: Solve for x
    x = 615,080,180,046,751/30,041,453.34
  6. Step 6: Final answer
    x = 20,474,381.62

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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.