Home / 38,115,827.39-52,599,801.94-20,712,131.15

Finding the Fourth Proportional to 38,115,827.39, 52,599,801.94 and 20,712,131.15

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Solution

The fourth proportional to 38,115,827.39, 52,599,801.94 and 20,712,131.15 is: 28,582,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115,827.39 : 52,599,801.94 = 20,712,131.15 : x
  2. Step 2: Convert to fraction form
    38,115,827.39/52,599,801.94 = 20,712,131.15/x
  3. Step 3: Cross multiply
    38,115,827.39x = 52,599,801.94 × 20,712,131.15
  4. Step 4: Simplify right side
    38,115,827.39x = 1,089,453,995,930,525.12
  5. Step 5: Solve for x
    x = 1,089,453,995,930,525.12/38,115,827.39
  6. Step 6: Final answer
    x = 28,582,719.32

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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.