Home / 12,290,347.56-16,958,147.60-7,062,345.56

Finding the Fourth Proportional to 12,290,347.56, 16,958,147.60 and 7,062,345.56

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Solution

The fourth proportional to 12,290,347.56, 16,958,147.60 and 7,062,345.56 is: 9,744,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,347.56 : 16,958,147.60 = 7,062,345.56 : x
  2. Step 2: Convert to fraction form
    12,290,347.56/16,958,147.60 = 7,062,345.56/x
  3. Step 3: Cross multiply
    12,290,347.56x = 16,958,147.60 × 7,062,345.56
  4. Step 4: Simplify right side
    12,290,347.56x = 119,764,298,408,684.66
  5. Step 5: Solve for x
    x = 119,764,298,408,684.66/12,290,347.56
  6. Step 6: Final answer
    x = 9,744,581.90

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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.