Home / 18,936,080.19-28,392,285.38-8,000,647.65

Finding the Fourth Proportional to 18,936,080.19, 28,392,285.38 and 8,000,647.65

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Solution

The fourth proportional to 18,936,080.19, 28,392,285.38 and 8,000,647.65 is: 11,995,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,080.19 : 28,392,285.38 = 8,000,647.65 : x
  2. Step 2: Convert to fraction form
    18,936,080.19/28,392,285.38 = 8,000,647.65/x
  3. Step 3: Cross multiply
    18,936,080.19x = 28,392,285.38 × 8,000,647.65
  4. Step 4: Simplify right side
    18,936,080.19x = 227,156,671,263,623.12
  5. Step 5: Solve for x
    x = 227,156,671,263,623.12/18,936,080.19
  6. Step 6: Final answer
    x = 11,995,971.13

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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.