Home / 38,487,712.92-53,112,620.54-20,846,176.58

Finding the Fourth Proportional to 38,487,712.92, 53,112,620.54 and 20,846,176.58

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Solution

The fourth proportional to 38,487,712.92, 53,112,620.54 and 20,846,176.58 is: 28,767,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,712.92 : 53,112,620.54 = 20,846,176.58 : x
  2. Step 2: Convert to fraction form
    38,487,712.92/53,112,620.54 = 20,846,176.58/x
  3. Step 3: Cross multiply
    38,487,712.92x = 53,112,620.54 × 20,846,176.58
  4. Step 4: Simplify right side
    38,487,712.92x = 1,107,195,066,403,374.88
  5. Step 5: Solve for x
    x = 1,107,195,066,403,374.88/38,487,712.92
  6. Step 6: Final answer
    x = 28,767,494.41

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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.