Home / 12,290,345.56-16,958,144.84-7,062,343.56

Finding the Fourth Proportional to 12,290,345.56, 16,958,144.84 and 7,062,343.56

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Solution

The fourth proportional to 12,290,345.56, 16,958,144.84 and 7,062,343.56 is: 9,744,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,345.56 : 16,958,144.84 = 7,062,343.56 : x
  2. Step 2: Convert to fraction form
    12,290,345.56/16,958,144.84 = 7,062,343.56/x
  3. Step 3: Cross multiply
    12,290,345.56x = 16,958,144.84 × 7,062,343.56
  4. Step 4: Simplify right side
    12,290,345.56x = 119,764,245,000,321.22
  5. Step 5: Solve for x
    x = 119,764,245,000,321.22/12,290,345.56
  6. Step 6: Final answer
    x = 9,744,579.14

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1.5x scale

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.