Home / 12,122,631.52-16,729,621.62-6,895,505.28

Finding the Fourth Proportional to 12,122,631.52, 16,729,621.62 and 6,895,505.28

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Solution

The fourth proportional to 12,122,631.52, 16,729,621.62 and 6,895,505.28 is: 9,516,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,631.52 : 16,729,621.62 = 6,895,505.28 : x
  2. Step 2: Convert to fraction form
    12,122,631.52/16,729,621.62 = 6,895,505.28/x
  3. Step 3: Cross multiply
    12,122,631.52x = 16,729,621.62 × 6,895,505.28
  4. Step 4: Simplify right side
    12,122,631.52x = 115,359,194,213,112.16
  5. Step 5: Solve for x
    x = 115,359,194,213,112.16/12,122,631.52
  6. Step 6: Final answer
    x = 9,516,019.19

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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.