Home / 15,773,899.20-21,768,046.50-8,530,555.20

Finding the Fourth Proportional to 15,773,899.20, 21,768,046.50 and 8,530,555.20

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Solution

The fourth proportional to 15,773,899.20, 21,768,046.50 and 8,530,555.20 is: 11,772,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773,899.20 : 21,768,046.50 = 8,530,555.20 : x
  2. Step 2: Convert to fraction form
    15,773,899.20/21,768,046.50 = 8,530,555.20/x
  3. Step 3: Cross multiply
    15,773,899.20x = 21,768,046.50 × 8,530,555.20
  4. Step 4: Simplify right side
    15,773,899.20x = 185,693,522,264,416.78
  5. Step 5: Solve for x
    x = 185,693,522,264,416.78/15,773,899.20
  6. Step 6: Final answer
    x = 11,772,201.65

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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.