Home / 12,120,542.46-18,183,700.53-4,547,573.82

Finding the Fourth Proportional to 12,120,542.46, 18,183,700.53 and 4,547,573.82

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Solution

The fourth proportional to 12,120,542.46, 18,183,700.53 and 4,547,573.82 is: 6,822,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,542.46 : 18,183,700.53 = 4,547,573.82 : x
  2. Step 2: Convert to fraction form
    12,120,542.46/18,183,700.53 = 4,547,573.82/x
  3. Step 3: Cross multiply
    12,120,542.46x = 18,183,700.53 × 4,547,573.82
  4. Step 4: Simplify right side
    12,120,542.46x = 82,691,720,480,948.14
  5. Step 5: Solve for x
    x = 82,691,720,480,948.14/12,120,542.46
  6. Step 6: Final answer
    x = 6,822,443.86

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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.