Home / 20,471,287.88-30,696,663.89-6,819,634.76

Finding the Fourth Proportional to 20,471,287.88, 30,696,663.89 and 6,819,634.76

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Solution

The fourth proportional to 20,471,287.88, 30,696,663.89 and 6,819,634.76 is: 10,226,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,471,287.88 : 30,696,663.89 = 6,819,634.76 : x
  2. Step 2: Convert to fraction form
    20,471,287.88/30,696,663.89 = 6,819,634.76/x
  3. Step 3: Cross multiply
    20,471,287.88x = 30,696,663.89 × 6,819,634.76
  4. Step 4: Simplify right side
    20,471,287.88x = 209,340,035,943,846.56
  5. Step 5: Solve for x
    x = 209,340,035,943,846.56/20,471,287.88
  6. Step 6: Final answer
    x = 10,226,031.56

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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.