Home / 15,345,000.59-21,175,777.15-8,375,447.12

Finding the Fourth Proportional to 15,345,000.59, 21,175,777.15 and 8,375,447.12

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Solution

The fourth proportional to 15,345,000.59, 21,175,777.15 and 8,375,447.12 is: 11,557,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,000.59 : 21,175,777.15 = 8,375,447.12 : x
  2. Step 2: Convert to fraction form
    15,345,000.59/21,175,777.15 = 8,375,447.12/x
  3. Step 3: Cross multiply
    15,345,000.59x = 21,175,777.15 × 8,375,447.12
  4. Step 4: Simplify right side
    15,345,000.59x = 177,356,601,617,911.81
  5. Step 5: Solve for x
    x = 177,356,601,617,911.81/15,345,000.59
  6. Step 6: Final answer
    x = 11,557,940.36

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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.