Home / 8,219,286.69-12,329,014.55-3,670,566.99

Finding the Fourth Proportional to 8,219,286.69, 12,329,014.55 and 3,670,566.99

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Solution

The fourth proportional to 8,219,286.69, 12,329,014.55 and 3,670,566.99 is: 5,505,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,286.69 : 12,329,014.55 = 3,670,566.99 : x
  2. Step 2: Convert to fraction form
    8,219,286.69/12,329,014.55 = 3,670,566.99/x
  3. Step 3: Cross multiply
    8,219,286.69x = 12,329,014.55 × 3,670,566.99
  4. Step 4: Simplify right side
    8,219,286.69x = 45,254,473,808,106.88
  5. Step 5: Solve for x
    x = 45,254,473,808,106.88/8,219,286.69
  6. Step 6: Final answer
    x = 5,505,888.23

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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.