Home / 27,885,053.79-38,469,436.16-17,412,889.20

Finding the Fourth Proportional to 27,885,053.79, 38,469,436.16 and 17,412,889.20

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Solution

The fourth proportional to 27,885,053.79, 38,469,436.16 and 17,412,889.20 is: 24,022,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885,053.79 : 38,469,436.16 = 17,412,889.20 : x
  2. Step 2: Convert to fraction form
    27,885,053.79/38,469,436.16 = 17,412,889.20/x
  3. Step 3: Cross multiply
    27,885,053.79x = 38,469,436.16 × 17,412,889.20
  4. Step 4: Simplify right side
    27,885,053.79x = 669,864,029,353,489
  5. Step 5: Solve for x
    x = 669,864,029,353,489/27,885,053.79
  6. Step 6: Final answer
    x = 24,022,332.34

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1.5x scale

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.