Home / 17,208,010.20-25,812,015.30-12,057,187.80

Finding the Fourth Proportional to 17,208,010.20, 25,812,015.30 and 12,057,187.80

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Solution

The fourth proportional to 17,208,010.20, 25,812,015.30 and 12,057,187.80 is: 18,085,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208,010.20 : 25,812,015.30 = 12,057,187.80 : x
  2. Step 2: Convert to fraction form
    17,208,010.20/25,812,015.30 = 12,057,187.80/x
  3. Step 3: Cross multiply
    17,208,010.20x = 25,812,015.30 × 12,057,187.80
  4. Step 4: Simplify right side
    17,208,010.20x = 311,220,315,968,573.38
  5. Step 5: Solve for x
    x = 311,220,315,968,573.38/17,208,010.20
  6. Step 6: Final answer
    x = 18,085,781.70

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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.