Home / 30,289,316.70-45,449,721.45-13,251,711.90

Finding the Fourth Proportional to 30,289,316.70, 45,449,721.45 and 13,251,711.90

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Solution

The fourth proportional to 30,289,316.70, 45,449,721.45 and 13,251,711.90 is: 19,884,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289,316.70 : 45,449,721.45 = 13,251,711.90 : x
  2. Step 2: Convert to fraction form
    30,289,316.70/45,449,721.45 = 13,251,711.90/x
  3. Step 3: Cross multiply
    30,289,316.70x = 45,449,721.45 × 13,251,711.90
  4. Step 4: Simplify right side
    30,289,316.70x = 602,286,614,590,650.25
  5. Step 5: Solve for x
    x = 602,286,614,590,650.25/30,289,316.70
  6. Step 6: Final answer
    x = 19,884,456.97

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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.