Home / 36,107,714.60-49,828,646.15-20,638,131.40

Finding the Fourth Proportional to 36,107,714.60, 49,828,646.15 and 20,638,131.40

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Solution

The fourth proportional to 36,107,714.60, 49,828,646.15 and 20,638,131.40 is: 28,480,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,714.60 : 49,828,646.15 = 20,638,131.40 : x
  2. Step 2: Convert to fraction form
    36,107,714.60/49,828,646.15 = 20,638,131.40/x
  3. Step 3: Cross multiply
    36,107,714.60x = 49,828,646.15 × 20,638,131.40
  4. Step 4: Simplify right side
    36,107,714.60x = 1,028,370,146,654,828
  5. Step 5: Solve for x
    x = 1,028,370,146,654,828/36,107,714.60
  6. Step 6: Final answer
    x = 28,480,621.33

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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.