Home / 7,678,863-11,520,188.99-2,287,492.47

Finding the Fourth Proportional to 7,678,863, 11,520,188.99 and 2,287,492.47

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Solution

The fourth proportional to 7,678,863, 11,520,188.99 and 2,287,492.47 is: 3,431,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,863 : 11,520,188.99 = 2,287,492.47 : x
  2. Step 2: Convert to fraction form
    7,678,863/11,520,188.99 = 2,287,492.47/x
  3. Step 3: Cross multiply
    7,678,863x = 11,520,188.99 × 2,287,492.47
  4. Step 4: Simplify right side
    7,678,863x = 26,352,345,556,164.45
  5. Step 5: Solve for x
    x = 26,352,345,556,164.45/7,678,863
  6. Step 6: Final answer
    x = 3,431,803.06

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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.