Home / 12,451,646.25-17,183,534.27-7,019,138.25

Finding the Fourth Proportional to 12,451,646.25, 17,183,534.27 and 7,019,138.25

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Solution

The fourth proportional to 12,451,646.25, 17,183,534.27 and 7,019,138.25 is: 9,686,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,646.25 : 17,183,534.27 = 7,019,138.25 : x
  2. Step 2: Convert to fraction form
    12,451,646.25/17,183,534.27 = 7,019,138.25/x
  3. Step 3: Cross multiply
    12,451,646.25x = 17,183,534.27 × 7,019,138.25
  4. Step 4: Simplify right side
    12,451,646.25x = 120,613,602,629,647.14
  5. Step 5: Solve for x
    x = 120,613,602,629,647.14/12,451,646.25
  6. Step 6: Final answer
    x = 9,686,558.73

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Double scale
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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.