Home / 12,960,381.06-17,885,868.87-7,453,759.65

Finding the Fourth Proportional to 12,960,381.06, 17,885,868.87 and 7,453,759.65

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Solution

The fourth proportional to 12,960,381.06, 17,885,868.87 and 7,453,759.65 is: 10,286,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,381.06 : 17,885,868.87 = 7,453,759.65 : x
  2. Step 2: Convert to fraction form
    12,960,381.06/17,885,868.87 = 7,453,759.65/x
  3. Step 3: Cross multiply
    12,960,381.06x = 17,885,868.87 × 7,453,759.65
  4. Step 4: Simplify right side
    12,960,381.06x = 133,316,967,688,397.11
  5. Step 5: Solve for x
    x = 133,316,967,688,397.11/12,960,381.06
  6. Step 6: Final answer
    x = 10,286,500.61

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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.