Home / 12,191,945.52-18,275,116.48-4,102,112.64

Finding the Fourth Proportional to 12,191,945.52, 18,275,116.48 and 4,102,112.64

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Solution

The fourth proportional to 12,191,945.52, 18,275,116.48 and 4,102,112.64 is: 6,148,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,945.52 : 18,275,116.48 = 4,102,112.64 : x
  2. Step 2: Convert to fraction form
    12,191,945.52/18,275,116.48 = 4,102,112.64/x
  3. Step 3: Cross multiply
    12,191,945.52x = 18,275,116.48 × 4,102,112.64
  4. Step 4: Simplify right side
    12,191,945.52x = 74,966,586,310,080.31
  5. Step 5: Solve for x
    x = 74,966,586,310,080.31/12,191,945.52
  6. Step 6: Final answer
    x = 6,148,861.66

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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.