Home / 27,703,061.78-38,230,233.50-15,144,171.01

Finding the Fourth Proportional to 27,703,061.78, 38,230,233.50 and 15,144,171.01

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Solution

The fourth proportional to 27,703,061.78, 38,230,233.50 and 15,144,171.01 is: 20,898,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703,061.78 : 38,230,233.50 = 15,144,171.01 : x
  2. Step 2: Convert to fraction form
    27,703,061.78/38,230,233.50 = 15,144,171.01/x
  3. Step 3: Cross multiply
    27,703,061.78x = 38,230,233.50 × 15,144,171.01
  4. Step 4: Simplify right side
    27,703,061.78x = 578,965,193,876,230.88
  5. Step 5: Solve for x
    x = 578,965,193,876,230.88/27,703,061.78
  6. Step 6: Final answer
    x = 20,898,960.50

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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.