Home / 15,884,087.94-21,912,760.98-9,354,591.72

Finding the Fourth Proportional to 15,884,087.94, 21,912,760.98 and 9,354,591.72

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Solution

The fourth proportional to 15,884,087.94, 21,912,760.98 and 9,354,591.72 is: 12,905,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884,087.94 : 21,912,760.98 = 9,354,591.72 : x
  2. Step 2: Convert to fraction form
    15,884,087.94/21,912,760.98 = 9,354,591.72/x
  3. Step 3: Cross multiply
    15,884,087.94x = 21,912,760.98 × 9,354,591.72
  4. Step 4: Simplify right side
    15,884,087.94x = 204,984,932,425,847.09
  5. Step 5: Solve for x
    x = 204,984,932,425,847.09/15,884,087.94
  6. Step 6: Final answer
    x = 12,905,048.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.