Home / 15,737,762.78-21,719,219.31-8,768,892.14

Finding the Fourth Proportional to 15,737,762.78, 21,719,219.31 and 8,768,892.14

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Solution

The fourth proportional to 15,737,762.78, 21,719,219.31 and 8,768,892.14 is: 12,101,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737,762.78 : 21,719,219.31 = 8,768,892.14 : x
  2. Step 2: Convert to fraction form
    15,737,762.78/21,719,219.31 = 8,768,892.14/x
  3. Step 3: Cross multiply
    15,737,762.78x = 21,719,219.31 × 8,768,892.14
  4. Step 4: Simplify right side
    15,737,762.78x = 190,453,491,494,395.22
  5. Step 5: Solve for x
    x = 190,453,491,494,395.22/15,737,762.78
  6. Step 6: Final answer
    x = 12,101,687.78

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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.