Home / 17,006,997.30-25,448,287.95-12,528,021.30

Finding the Fourth Proportional to 17,006,997.30, 25,448,287.95 and 12,528,021.30

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Solution

The fourth proportional to 17,006,997.30, 25,448,287.95 and 12,528,021.30 is: 18,746,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006,997.30 : 25,448,287.95 = 12,528,021.30 : x
  2. Step 2: Convert to fraction form
    17,006,997.30/25,448,287.95 = 12,528,021.30/x
  3. Step 3: Cross multiply
    17,006,997.30x = 25,448,287.95 × 12,528,021.30
  4. Step 4: Simplify right side
    17,006,997.30x = 318,816,693,486,133.38
  5. Step 5: Solve for x
    x = 318,816,693,486,133.38/17,006,997.30
  6. Step 6: Final answer
    x = 18,746,207.10

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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.