Home / 7,857,005.61-11,787,281.63-2,392,589.25

Finding the Fourth Proportional to 7,857,005.61, 11,787,281.63 and 2,392,589.25

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Solution

The fourth proportional to 7,857,005.61, 11,787,281.63 and 2,392,589.25 is: 3,589,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,005.61 : 11,787,281.63 = 2,392,589.25 : x
  2. Step 2: Convert to fraction form
    7,857,005.61/11,787,281.63 = 2,392,589.25/x
  3. Step 3: Cross multiply
    7,857,005.61x = 11,787,281.63 × 2,392,589.25
  4. Step 4: Simplify right side
    7,857,005.61x = 28,202,123,311,669.74
  5. Step 5: Solve for x
    x = 28,202,123,311,669.74/7,857,005.61
  6. Step 6: Final answer
    x = 3,589,423.85

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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.