Home / 36,107,714.36-49,828,645.81-20,638,131.15

Finding the Fourth Proportional to 36,107,714.36, 49,828,645.81 and 20,638,131.15

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Solution

The fourth proportional to 36,107,714.36, 49,828,645.81 and 20,638,131.15 is: 28,480,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,714.36 : 49,828,645.81 = 20,638,131.15 : x
  2. Step 2: Convert to fraction form
    36,107,714.36/49,828,645.81 = 20,638,131.15/x
  3. Step 3: Cross multiply
    36,107,714.36x = 49,828,645.81 × 20,638,131.15
  4. Step 4: Simplify right side
    36,107,714.36x = 1,028,370,127,004,534.75
  5. Step 5: Solve for x
    x = 1,028,370,127,004,534.75/36,107,714.36
  6. Step 6: Final answer
    x = 28,480,620.98

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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.