Home / 20,661,883.20-30,992,824.67-7,532,285.76

Finding the Fourth Proportional to 20,661,883.20, 30,992,824.67 and 7,532,285.76

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Solution

The fourth proportional to 20,661,883.20, 30,992,824.67 and 7,532,285.76 is: 11,298,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,883.20 : 30,992,824.67 = 7,532,285.76 : x
  2. Step 2: Convert to fraction form
    20,661,883.20/30,992,824.67 = 7,532,285.76/x
  3. Step 3: Cross multiply
    20,661,883.20x = 30,992,824.67 × 7,532,285.76
  4. Step 4: Simplify right side
    20,661,883.20x = 233,446,811,886,356.25
  5. Step 5: Solve for x
    x = 233,446,811,886,356.25/20,661,883.20
  6. Step 6: Final answer
    x = 11,298,428.59

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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.