Home / 38,164,215-52,666,576.85-20,760,518.71

Finding the Fourth Proportional to 38,164,215, 52,666,576.85 and 20,760,518.71

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Solution

The fourth proportional to 38,164,215, 52,666,576.85 and 20,760,518.71 is: 28,649,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164,215 : 52,666,576.85 = 20,760,518.71 : x
  2. Step 2: Convert to fraction form
    38,164,215/52,666,576.85 = 20,760,518.71/x
  3. Step 3: Cross multiply
    38,164,215x = 52,666,576.85 × 20,760,518.71
  4. Step 4: Simplify right side
    38,164,215x = 1,093,385,453,718,942.25
  5. Step 5: Solve for x
    x = 1,093,385,453,718,942.25/38,164,215
  6. Step 6: Final answer
    x = 28,649,494.13

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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.