Home / 18,979,374.40-28,469,061.60-8,744,214.40

Finding the Fourth Proportional to 18,979,374.40, 28,469,061.60 and 8,744,214.40

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Solution

The fourth proportional to 18,979,374.40, 28,469,061.60 and 8,744,214.40 is: 13,116,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,374.40 : 28,469,061.60 = 8,744,214.40 : x
  2. Step 2: Convert to fraction form
    18,979,374.40/28,469,061.60 = 8,744,214.40/x
  3. Step 3: Cross multiply
    18,979,374.40x = 28,469,061.60 × 8,744,214.40
  4. Step 4: Simplify right side
    18,979,374.40x = 248,939,578,397,207.06
  5. Step 5: Solve for x
    x = 248,939,578,397,207.06/18,979,374.40
  6. Step 6: Final answer
    x = 13,116,321.60

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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.