Home / 38,148,270.66-52,645,997.93-21,853,895.94

Finding the Fourth Proportional to 38,148,270.66, 52,645,997.93 and 21,853,895.94

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Solution

The fourth proportional to 38,148,270.66, 52,645,997.93 and 21,853,895.94 is: 30,159,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148,270.66 : 52,645,997.93 = 21,853,895.94 : x
  2. Step 2: Convert to fraction form
    38,148,270.66/52,645,997.93 = 21,853,895.94/x
  3. Step 3: Cross multiply
    38,148,270.66x = 52,645,997.93 × 21,853,895.94
  4. Step 4: Simplify right side
    38,148,270.66x = 1,150,520,160,419,675.50
  5. Step 5: Solve for x
    x = 1,150,520,160,419,675.50/38,148,270.66
  6. Step 6: Final answer
    x = 30,159,169.49

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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.