Home / 20,935,235.88-31,398,714.01-19,897,084.75

Finding the Fourth Proportional to 20,935,235.88, 31,398,714.01 and 19,897,084.75

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Solution

The fourth proportional to 20,935,235.88, 31,398,714.01 and 19,897,084.75 is: 29,841,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935,235.88 : 31,398,714.01 = 19,897,084.75 : x
  2. Step 2: Convert to fraction form
    20,935,235.88/31,398,714.01 = 19,897,084.75/x
  3. Step 3: Cross multiply
    20,935,235.88x = 31,398,714.01 × 19,897,084.75
  4. Step 4: Simplify right side
    20,935,235.88x = 624,742,873,530,959.12
  5. Step 5: Solve for x
    x = 624,742,873,530,959.12/20,935,235.88
  6. Step 6: Final answer
    x = 29,841,692.60

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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.