Home / 7,678,328.58-11,519,596.89-3,359,595.87

Finding the Fourth Proportional to 7,678,328.58, 11,519,596.89 and 3,359,595.87

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Solution

The fourth proportional to 7,678,328.58, 11,519,596.89 and 3,359,595.87 is: 5,040,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,328.58 : 11,519,596.89 = 3,359,595.87 : x
  2. Step 2: Convert to fraction form
    7,678,328.58/11,519,596.89 = 3,359,595.87/x
  3. Step 3: Cross multiply
    7,678,328.58x = 11,519,596.89 × 3,359,595.87
  4. Step 4: Simplify right side
    7,678,328.58x = 38,701,190,135,708.84
  5. Step 5: Solve for x
    x = 38,701,190,135,708.84/7,678,328.58
  6. Step 6: Final answer
    x = 5,040,314.40

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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.