Home / 36,894,009.78-50,909,867.01-21,421,072.26

Finding the Fourth Proportional to 36,894,009.78, 50,909,867.01 and 21,421,072.26

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Solution

The fourth proportional to 36,894,009.78, 50,909,867.01 and 21,421,072.26 is: 29,558,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,894,009.78 : 50,909,867.01 = 21,421,072.26 : x
  2. Step 2: Convert to fraction form
    36,894,009.78/50,909,867.01 = 21,421,072.26/x
  3. Step 3: Cross multiply
    36,894,009.78x = 50,909,867.01 × 21,421,072.26
  4. Step 4: Simplify right side
    36,894,009.78x = 1,090,543,939,968,200.12
  5. Step 5: Solve for x
    x = 1,090,543,939,968,200.12/36,894,009.78
  6. Step 6: Final answer
    x = 29,558,834.79

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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.