Home / 18,888,701.70-28,326,054.15-6,109,623.30

Finding the Fourth Proportional to 18,888,701.70, 28,326,054.15 and 6,109,623.30

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Solution

The fourth proportional to 18,888,701.70, 28,326,054.15 and 6,109,623.30 is: 9,162,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,701.70 : 28,326,054.15 = 6,109,623.30 : x
  2. Step 2: Convert to fraction form
    18,888,701.70/28,326,054.15 = 6,109,623.30/x
  3. Step 3: Cross multiply
    18,888,701.70x = 28,326,054.15 × 6,109,623.30
  4. Step 4: Simplify right side
    18,888,701.70x = 173,061,520,431,901.69
  5. Step 5: Solve for x
    x = 173,061,520,431,901.69/18,888,701.70
  6. Step 6: Final answer
    x = 9,162,171.29

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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.