Home / 12,348,362.25-17,046,663.49-8,680,423.05

Finding the Fourth Proportional to 12,348,362.25, 17,046,663.49 and 8,680,423.05

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Solution

The fourth proportional to 12,348,362.25, 17,046,663.49 and 8,680,423.05 is: 11,983,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,362.25 : 17,046,663.49 = 8,680,423.05 : x
  2. Step 2: Convert to fraction form
    12,348,362.25/17,046,663.49 = 8,680,423.05/x
  3. Step 3: Cross multiply
    12,348,362.25x = 17,046,663.49 × 8,680,423.05
  4. Step 4: Simplify right side
    12,348,362.25x = 147,972,250,646,212.59
  5. Step 5: Solve for x
    x = 147,972,250,646,212.59/12,348,362.25
  6. Step 6: Final answer
    x = 11,983,147.86

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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.