Home / 27,703,521.36-38,230,936.40-15,144,727.77

Finding the Fourth Proportional to 27,703,521.36, 38,230,936.40 and 15,144,727.77

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Solution

The fourth proportional to 27,703,521.36, 38,230,936.40 and 15,144,727.77 is: 20,899,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703,521.36 : 38,230,936.40 = 15,144,727.77 : x
  2. Step 2: Convert to fraction form
    27,703,521.36/38,230,936.40 = 15,144,727.77/x
  3. Step 3: Cross multiply
    27,703,521.36x = 38,230,936.40 × 15,144,727.77
  4. Step 4: Simplify right side
    27,703,521.36x = 578,997,124,170,183.75
  5. Step 5: Solve for x
    x = 578,997,124,170,183.75/27,703,521.36
  6. Step 6: Final answer
    x = 20,899,766.37

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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.