Home / 36,107,715.36-49,828,647.19-20,638,132.15

Finding the Fourth Proportional to 36,107,715.36, 49,828,647.19 and 20,638,132.15

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Solution

The fourth proportional to 36,107,715.36, 49,828,647.19 and 20,638,132.15 is: 28,480,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,715.36 : 49,828,647.19 = 20,638,132.15 : x
  2. Step 2: Convert to fraction form
    36,107,715.36/49,828,647.19 = 20,638,132.15/x
  3. Step 3: Cross multiply
    36,107,715.36x = 49,828,647.19 × 20,638,132.15
  4. Step 4: Simplify right side
    36,107,715.36x = 1,028,370,205,313,802.88
  5. Step 5: Solve for x
    x = 1,028,370,205,313,802.88/36,107,715.36
  6. Step 6: Final answer
    x = 28,480,622.36

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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.