Home / 7,678,870.88-11,520,200.84-2,287,500.35

Finding the Fourth Proportional to 7,678,870.88, 11,520,200.84 and 2,287,500.35

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Solution

The fourth proportional to 7,678,870.88, 11,520,200.84 and 2,287,500.35 is: 3,431,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,870.88 : 11,520,200.84 = 2,287,500.35 : x
  2. Step 2: Convert to fraction form
    7,678,870.88/11,520,200.84 = 2,287,500.35/x
  3. Step 3: Cross multiply
    7,678,870.88x = 11,520,200.84 × 2,287,500.35
  4. Step 4: Simplify right side
    7,678,870.88x = 26,352,463,384,531.79
  5. Step 5: Solve for x
    x = 26,352,463,384,531.79/7,678,870.88
  6. Step 6: Final answer
    x = 3,431,814.89

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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.