Home / 11,531,549-15,912,155.48-6,374,209.34

Finding the Fourth Proportional to 11,531,549, 15,912,155.48 and 6,374,209.34

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Solution

The fourth proportional to 11,531,549, 15,912,155.48 and 6,374,209.34 is: 8,795,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531,549 : 15,912,155.48 = 6,374,209.34 : x
  2. Step 2: Convert to fraction form
    11,531,549/15,912,155.48 = 6,374,209.34/x
  3. Step 3: Cross multiply
    11,531,549x = 15,912,155.48 × 6,374,209.34
  4. Step 4: Simplify right side
    11,531,549x = 101,427,410,080,148.19
  5. Step 5: Solve for x
    x = 101,427,410,080,148.19/11,531,549
  6. Step 6: Final answer
    x = 8,795,644.89

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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.