Home / 15,773,906.20-21,768,056.16-8,530,562.20

Finding the Fourth Proportional to 15,773,906.20, 21,768,056.16 and 8,530,562.20

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Solution

The fourth proportional to 15,773,906.20, 21,768,056.16 and 8,530,562.20 is: 11,772,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773,906.20 : 21,768,056.16 = 8,530,562.20 : x
  2. Step 2: Convert to fraction form
    15,773,906.20/21,768,056.16 = 8,530,562.20/x
  3. Step 3: Cross multiply
    15,773,906.20x = 21,768,056.16 × 8,530,562.20
  4. Step 4: Simplify right side
    15,773,906.20x = 185,693,757,045,973.12
  5. Step 5: Solve for x
    x = 185,693,757,045,973.12/15,773,906.20
  6. Step 6: Final answer
    x = 11,772,211.31

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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.