Home / 36,107,715.79-49,828,647.79-20,638,132.59

Finding the Fourth Proportional to 36,107,715.79, 49,828,647.79 and 20,638,132.59

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Solution

The fourth proportional to 36,107,715.79, 49,828,647.79 and 20,638,132.59 is: 28,480,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,715.79 : 49,828,647.79 = 20,638,132.59 : x
  2. Step 2: Convert to fraction form
    36,107,715.79/49,828,647.79 = 20,638,132.59/x
  3. Step 3: Cross multiply
    36,107,715.79x = 49,828,647.79 × 20,638,132.59
  4. Step 4: Simplify right side
    36,107,715.79x = 1,028,370,239,621,287.25
  5. Step 5: Solve for x
    x = 1,028,370,239,621,287.25/36,107,715.79
  6. Step 6: Final answer
    x = 28,480,622.97

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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.