Home / 21,557,769.70-32,336,654.55-13,905,019.30

Finding the Fourth Proportional to 21,557,769.70, 32,336,654.55 and 13,905,019.30

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Solution

The fourth proportional to 21,557,769.70, 32,336,654.55 and 13,905,019.30 is: 20,857,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,769.70 : 32,336,654.55 = 13,905,019.30 : x
  2. Step 2: Convert to fraction form
    21,557,769.70/32,336,654.55 = 13,905,019.30/x
  3. Step 3: Cross multiply
    21,557,769.70x = 32,336,654.55 × 13,905,019.30
  4. Step 4: Simplify right side
    21,557,769.70x = 449,641,805,615,182.88
  5. Step 5: Solve for x
    x = 449,641,805,615,182.88/21,557,769.70
  6. Step 6: Final answer
    x = 20,857,528.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.