Home / 12,680,080.18-17,498,501.74-6,878,863.02

Finding the Fourth Proportional to 12,680,080.18, 17,498,501.74 and 6,878,863.02

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Solution

The fourth proportional to 12,680,080.18, 17,498,501.74 and 6,878,863.02 is: 9,492,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,080.18 : 17,498,501.74 = 6,878,863.02 : x
  2. Step 2: Convert to fraction form
    12,680,080.18/17,498,501.74 = 6,878,863.02/x
  3. Step 3: Cross multiply
    12,680,080.18x = 17,498,501.74 × 6,878,863.02
  4. Step 4: Simplify right side
    12,680,080.18x = 120,369,796,524,691.64
  5. Step 5: Solve for x
    x = 120,369,796,524,691.64/12,680,080.18
  6. Step 6: Final answer
    x = 9,492,826.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.