Home / 36,107,887.05-49,828,883.73-20,638,303.86

Finding the Fourth Proportional to 36,107,887.05, 49,828,883.73 and 20,638,303.86

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Solution

The fourth proportional to 36,107,887.05, 49,828,883.73 and 20,638,303.86 is: 28,480,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,887.05 : 49,828,883.73 = 20,638,303.86 : x
  2. Step 2: Convert to fraction form
    36,107,887.05/49,828,883.73 = 20,638,303.86/x
  3. Step 3: Cross multiply
    36,107,887.05x = 49,828,883.73 × 20,638,303.86
  4. Step 4: Simplify right side
    36,107,887.05x = 1,028,383,643,424,350.12
  5. Step 5: Solve for x
    x = 1,028,383,643,424,350.12/36,107,887.05
  6. Step 6: Final answer
    x = 28,480,859.10

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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.