Home / 7,915,586.32-11,857,916.02-5,453,167.38

Finding the Fourth Proportional to 7,915,586.32, 11,857,916.02 and 5,453,167.38

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Solution

The fourth proportional to 7,915,586.32, 11,857,916.02 and 5,453,167.38 is: 8,169,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915,586.32 : 11,857,916.02 = 5,453,167.38 : x
  2. Step 2: Convert to fraction form
    7,915,586.32/11,857,916.02 = 5,453,167.38/x
  3. Step 3: Cross multiply
    7,915,586.32x = 11,857,916.02 × 5,453,167.38
  4. Step 4: Simplify right side
    7,915,586.32x = 64,663,200,851,055.30
  5. Step 5: Solve for x
    x = 64,663,200,851,055.30/7,915,586.32
  6. Step 6: Final answer
    x = 8,169,098.06

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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.