Home / 12,578,299.94-18,867,479.13-3,824,658.85

Finding the Fourth Proportional to 12,578,299.94, 18,867,479.13 and 3,824,658.85

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Solution

The fourth proportional to 12,578,299.94, 18,867,479.13 and 3,824,658.85 is: 5,736,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,299.94 : 18,867,479.13 = 3,824,658.85 : x
  2. Step 2: Convert to fraction form
    12,578,299.94/18,867,479.13 = 3,824,658.85/x
  3. Step 3: Cross multiply
    12,578,299.94x = 18,867,479.13 × 3,824,658.85
  4. Step 4: Simplify right side
    12,578,299.94x = 72,161,671,031,744.80
  5. Step 5: Solve for x
    x = 72,161,671,031,744.80/12,578,299.94
  6. Step 6: Final answer
    x = 5,736,997.16

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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.