Home / 36,107,714.67-49,828,646.24-20,638,131.46

Finding the Fourth Proportional to 36,107,714.67, 49,828,646.24 and 20,638,131.46

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Solution

The fourth proportional to 36,107,714.67, 49,828,646.24 and 20,638,131.46 is: 28,480,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,714.67 : 49,828,646.24 = 20,638,131.46 : x
  2. Step 2: Convert to fraction form
    36,107,714.67/49,828,646.24 = 20,638,131.46/x
  3. Step 3: Cross multiply
    36,107,714.67x = 49,828,646.24 × 20,638,131.46
  4. Step 4: Simplify right side
    36,107,714.67x = 1,028,370,151,574,954.75
  5. Step 5: Solve for x
    x = 1,028,370,151,574,954.75/36,107,714.67
  6. Step 6: Final answer
    x = 28,480,621.41

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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.