Home / 12,491,574.98-17,238,276.05-6,984,960.49

Finding the Fourth Proportional to 12,491,574.98, 17,238,276.05 and 6,984,960.49

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Solution

The fourth proportional to 12,491,574.98, 17,238,276.05 and 6,984,960.49 is: 9,639,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,574.98 : 17,238,276.05 = 6,984,960.49 : x
  2. Step 2: Convert to fraction form
    12,491,574.98/17,238,276.05 = 6,984,960.49/x
  3. Step 3: Cross multiply
    12,491,574.98x = 17,238,276.05 × 6,984,960.49
  4. Step 4: Simplify right side
    12,491,574.98x = 120,408,677,046,942.78
  5. Step 5: Solve for x
    x = 120,408,677,046,942.78/12,491,574.98
  6. Step 6: Final answer
    x = 9,639,190.99

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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.