Home / 36,909,374.95-50,936,484.94-21,228,403.78

Finding the Fourth Proportional to 36,909,374.95, 50,936,484.94 and 21,228,403.78

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Solution

The fourth proportional to 36,909,374.95, 50,936,484.94 and 21,228,403.78 is: 29,296,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909,374.95 : 50,936,484.94 = 21,228,403.78 : x
  2. Step 2: Convert to fraction form
    36,909,374.95/50,936,484.94 = 21,228,403.78/x
  3. Step 3: Cross multiply
    36,909,374.95x = 50,936,484.94 × 21,228,403.78
  4. Step 4: Simplify right side
    36,909,374.95x = 1,081,300,269,713,430.75
  5. Step 5: Solve for x
    x = 1,081,300,269,713,430.75/36,909,374.95
  6. Step 6: Final answer
    x = 29,296,087.28

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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.