Home / 18,707,964.30-28,061,946.45-11,496,113.10

Finding the Fourth Proportional to 18,707,964.30, 28,061,946.45 and 11,496,113.10

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Solution

The fourth proportional to 18,707,964.30, 28,061,946.45 and 11,496,113.10 is: 17,244,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,964.30 : 28,061,946.45 = 11,496,113.10 : x
  2. Step 2: Convert to fraction form
    18,707,964.30/28,061,946.45 = 11,496,113.10/x
  3. Step 3: Cross multiply
    18,707,964.30x = 28,061,946.45 × 11,496,113.10
  4. Step 4: Simplify right side
    18,707,964.30x = 322,603,310,195,343.50
  5. Step 5: Solve for x
    x = 322,603,310,195,343.50/18,707,964.30
  6. Step 6: Final answer
    x = 17,244,169.65

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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.