Home / 12,120,542.22-18,183,700.16-4,547,573.58

Finding the Fourth Proportional to 12,120,542.22, 18,183,700.16 and 4,547,573.58

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Solution

The fourth proportional to 12,120,542.22, 18,183,700.16 and 4,547,573.58 is: 6,822,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,542.22 : 18,183,700.16 = 4,547,573.58 : x
  2. Step 2: Convert to fraction form
    12,120,542.22/18,183,700.16 = 4,547,573.58/x
  3. Step 3: Cross multiply
    12,120,542.22x = 18,183,700.16 × 4,547,573.58
  4. Step 4: Simplify right side
    12,120,542.22x = 82,691,714,434,257.78
  5. Step 5: Solve for x
    x = 82,691,714,434,257.78/12,120,542.22
  6. Step 6: Final answer
    x = 6,822,443.50

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1.5x scale

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.