Home / 12,731,872.50-17,569,986.06-6,930,697.65

Finding the Fourth Proportional to 12,731,872.50, 17,569,986.06 and 6,930,697.65

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Solution

The fourth proportional to 12,731,872.50, 17,569,986.06 and 6,930,697.65 is: 9,564,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,872.50 : 17,569,986.06 = 6,930,697.65 : x
  2. Step 2: Convert to fraction form
    12,731,872.50/17,569,986.06 = 6,930,697.65/x
  3. Step 3: Cross multiply
    12,731,872.50x = 17,569,986.06 × 6,930,697.65
  4. Step 4: Simplify right side
    12,731,872.50x = 121,772,261,096,574.75
  5. Step 5: Solve for x
    x = 121,772,261,096,574.75/12,731,872.50
  6. Step 6: Final answer
    x = 9,564,363.85

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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.