Home / 34,215,112.80-47,216,915.28-18,744,864.48

Finding the Fourth Proportional to 34,215,112.80, 47,216,915.28 and 18,744,864.48

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Solution

The fourth proportional to 34,215,112.80, 47,216,915.28 and 18,744,864.48 is: 25,867,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215,112.80 : 47,216,915.28 = 18,744,864.48 : x
  2. Step 2: Convert to fraction form
    34,215,112.80/47,216,915.28 = 18,744,864.48/x
  3. Step 3: Cross multiply
    34,215,112.80x = 47,216,915.28 × 18,744,864.48
  4. Step 4: Simplify right side
    34,215,112.80x = 885,074,678,087,241.25
  5. Step 5: Solve for x
    x = 885,074,678,087,241.25/34,215,112.80
  6. Step 6: Final answer
    x = 25,867,945.64

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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.