Home / 18,042,917.40-27,064,376.10-8,476,979.40

Finding the Fourth Proportional to 18,042,917.40, 27,064,376.10 and 8,476,979.40

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Solution

The fourth proportional to 18,042,917.40, 27,064,376.10 and 8,476,979.40 is: 12,715,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,917.40 : 27,064,376.10 = 8,476,979.40 : x
  2. Step 2: Convert to fraction form
    18,042,917.40/27,064,376.10 = 8,476,979.40/x
  3. Step 3: Cross multiply
    18,042,917.40x = 27,064,376.10 × 8,476,979.40
  4. Step 4: Simplify right side
    18,042,917.40x = 229,424,158,673,552.38
  5. Step 5: Solve for x
    x = 229,424,158,673,552.38/18,042,917.40
  6. Step 6: Final answer
    x = 12,715,469.10

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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.