Home / 36,210,321.06-49,968,721.95-20,530,400.39

Finding the Fourth Proportional to 36,210,321.06, 49,968,721.95 and 20,530,400.39

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Solution

The fourth proportional to 36,210,321.06, 49,968,721.95 and 20,530,400.39 is: 28,331,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210,321.06 : 49,968,721.95 = 20,530,400.39 : x
  2. Step 2: Convert to fraction form
    36,210,321.06/49,968,721.95 = 20,530,400.39/x
  3. Step 3: Cross multiply
    36,210,321.06x = 49,968,721.95 × 20,530,400.39
  4. Step 4: Simplify right side
    36,210,321.06x = 1,025,877,868,610,081.62
  5. Step 5: Solve for x
    x = 1,025,877,868,610,081.62/36,210,321.06
  6. Step 6: Final answer
    x = 28,331,090.10

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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.