Home / 8,072,530.72-12,096,834.03-6,643,369.61

Finding the Fourth Proportional to 8,072,530.72, 12,096,834.03 and 6,643,369.61

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Solution

The fourth proportional to 8,072,530.72, 12,096,834.03 and 6,643,369.61 is: 9,955,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,530.72 : 12,096,834.03 = 6,643,369.61 : x
  2. Step 2: Convert to fraction form
    8,072,530.72/12,096,834.03 = 6,643,369.61/x
  3. Step 3: Cross multiply
    8,072,530.72x = 12,096,834.03 × 6,643,369.61
  4. Step 4: Simplify right side
    8,072,530.72x = 80,363,739,556,994.78
  5. Step 5: Solve for x
    x = 80,363,739,556,994.78/8,072,530.72
  6. Step 6: Final answer
    x = 9,955,210.12

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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.