Home / 38,212,065.14-52,734,863.78-28,775,963.86

Finding the Fourth Proportional to 38,212,065.14, 52,734,863.78 and 28,775,963.86

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Solution

The fourth proportional to 38,212,065.14, 52,734,863.78 and 28,775,963.86 is: 39,712,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212,065.14 : 52,734,863.78 = 28,775,963.86 : x
  2. Step 2: Convert to fraction form
    38,212,065.14/52,734,863.78 = 28,775,963.86/x
  3. Step 3: Cross multiply
    38,212,065.14x = 52,734,863.78 × 28,775,963.86
  4. Step 4: Simplify right side
    38,212,065.14x = 1,517,496,534,343,240.25
  5. Step 5: Solve for x
    x = 1,517,496,534,343,240.25/38,212,065.14
  6. Step 6: Final answer
    x = 39,712,497.32

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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.