Home / 38,148,265.20-52,645,990.32-21,853,890.48

Finding the Fourth Proportional to 38,148,265.20, 52,645,990.32 and 21,853,890.48

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Solution

The fourth proportional to 38,148,265.20, 52,645,990.32 and 21,853,890.48 is: 30,159,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148,265.20 : 52,645,990.32 = 21,853,890.48 : x
  2. Step 2: Convert to fraction form
    38,148,265.20/52,645,990.32 = 21,853,890.48/x
  3. Step 3: Cross multiply
    38,148,265.20x = 52,645,990.32 × 21,853,890.48
  4. Step 4: Simplify right side
    38,148,265.20x = 1,150,519,706,664,420.25
  5. Step 5: Solve for x
    x = 1,150,519,706,664,420.25/38,148,265.20
  6. Step 6: Final answer
    x = 30,159,161.91

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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.