Home / 20,148,084.11-30,228,055.65-6,500,974.47

Finding the Fourth Proportional to 20,148,084.11, 30,228,055.65 and 6,500,974.47

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Solution

The fourth proportional to 20,148,084.11, 30,228,055.65 and 6,500,974.47 is: 9,753,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,084.11 : 30,228,055.65 = 6,500,974.47 : x
  2. Step 2: Convert to fraction form
    20,148,084.11/30,228,055.65 = 6,500,974.47/x
  3. Step 3: Cross multiply
    20,148,084.11x = 30,228,055.65 × 6,500,974.47
  4. Step 4: Simplify right side
    20,148,084.11x = 196,511,818,058,389.25
  5. Step 5: Solve for x
    x = 196,511,818,058,389.25/20,148,084.11
  6. Step 6: Final answer
    x = 9,753,374.91

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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.