Home / 39,551,796.20-54,581,470.87-21,911,845.02

Finding the Fourth Proportional to 39,551,796.20, 54,581,470.87 and 21,911,845.02

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Solution

The fourth proportional to 39,551,796.20, 54,581,470.87 and 21,911,845.02 is: 30,238,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,551,796.20 : 54,581,470.87 = 21,911,845.02 : x
  2. Step 2: Convert to fraction form
    39,551,796.20/54,581,470.87 = 21,911,845.02/x
  3. Step 3: Cross multiply
    39,551,796.20x = 54,581,470.87 × 21,911,845.02
  4. Step 4: Simplify right side
    39,551,796.20x = 1,195,980,730,858,318
  5. Step 5: Solve for x
    x = 1,195,980,730,858,318/39,551,796.20
  6. Step 6: Final answer
    x = 30,238,341.77

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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.