Home / 30,289,277.20-45,449,662.20-13,251,672.40

Finding the Fourth Proportional to 30,289,277.20, 45,449,662.20 and 13,251,672.40

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Solution

The fourth proportional to 30,289,277.20, 45,449,662.20 and 13,251,672.40 is: 19,884,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289,277.20 : 45,449,662.20 = 13,251,672.40 : x
  2. Step 2: Convert to fraction form
    30,289,277.20/45,449,662.20 = 13,251,672.40/x
  3. Step 3: Cross multiply
    30,289,277.20x = 45,449,662.20 × 13,251,672.40
  4. Step 4: Simplify right side
    30,289,277.20x = 602,284,034,165,063.38
  5. Step 5: Solve for x
    x = 602,284,034,165,063.38/30,289,277.20
  6. Step 6: Final answer
    x = 19,884,397.71

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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.