Home / 20,280,846.39-30,400,011.95-7,493,194.95

Finding the Fourth Proportional to 20,280,846.39, 30,400,011.95 and 7,493,194.95

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Solution

The fourth proportional to 20,280,846.39, 30,400,011.95 and 7,493,194.95 is: 11,231,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,846.39 : 30,400,011.95 = 7,493,194.95 : x
  2. Step 2: Convert to fraction form
    20,280,846.39/30,400,011.95 = 7,493,194.95/x
  3. Step 3: Cross multiply
    20,280,846.39x = 30,400,011.95 × 7,493,194.95
  4. Step 4: Simplify right side
    20,280,846.39x = 227,793,215,986,213.69
  5. Step 5: Solve for x
    x = 227,793,215,986,213.69/20,280,846.39
  6. Step 6: Final answer
    x = 11,231,938.33

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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.