Home / 12,451,647.25-17,183,535.65-7,019,139.25

Finding the Fourth Proportional to 12,451,647.25, 17,183,535.65 and 7,019,139.25

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Solution

The fourth proportional to 12,451,647.25, 17,183,535.65 and 7,019,139.25 is: 9,686,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,647.25 : 17,183,535.65 = 7,019,139.25 : x
  2. Step 2: Convert to fraction form
    12,451,647.25/17,183,535.65 = 7,019,139.25/x
  3. Step 3: Cross multiply
    12,451,647.25x = 17,183,535.65 × 7,019,139.25
  4. Step 4: Simplify right side
    12,451,647.25x = 120,613,629,534,689.25
  5. Step 5: Solve for x
    x = 120,613,629,534,689.25/12,451,647.25
  6. Step 6: Final answer
    x = 9,686,560.11

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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.