Home / 18,884,942.20-28,334,411.70-6,105,863.80

Finding the Fourth Proportional to 18,884,942.20, 28,334,411.70 and 6,105,863.80

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Solution

The fourth proportional to 18,884,942.20, 28,334,411.70 and 6,105,863.80 is: 9,161,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884,942.20 : 28,334,411.70 = 6,105,863.80 : x
  2. Step 2: Convert to fraction form
    18,884,942.20/28,334,411.70 = 6,105,863.80/x
  3. Step 3: Cross multiply
    18,884,942.20x = 28,334,411.70 × 6,105,863.80
  4. Step 4: Simplify right side
    18,884,942.20x = 173,006,058,693,326.44
  5. Step 5: Solve for x
    x = 173,006,058,693,326.44/18,884,942.20
  6. Step 6: Final answer
    x = 9,161,058.42

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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.