Home / 7,915,586.07-11,857,915.64-5,453,167.14

Finding the Fourth Proportional to 7,915,586.07, 11,857,915.64 and 5,453,167.14

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Solution

The fourth proportional to 7,915,586.07, 11,857,915.64 and 5,453,167.14 is: 8,169,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915,586.07 : 11,857,915.64 = 5,453,167.14 : x
  2. Step 2: Convert to fraction form
    7,915,586.07/11,857,915.64 = 5,453,167.14/x
  3. Step 3: Cross multiply
    7,915,586.07x = 11,857,915.64 × 5,453,167.14
  4. Step 4: Simplify right side
    7,915,586.07x = 64,663,195,857,650.49
  5. Step 5: Solve for x
    x = 64,663,195,857,650.49/7,915,586.07
  6. Step 6: Final answer
    x = 8,169,097.69

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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.