Home / 12,542,896.05-18,814,344.08-9,708,544.05

Finding the Fourth Proportional to 12,542,896.05, 18,814,344.08 and 9,708,544.05

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Solution

The fourth proportional to 12,542,896.05, 18,814,344.08 and 9,708,544.05 is: 14,562,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,896.05 : 18,814,344.08 = 9,708,544.05 : x
  2. Step 2: Convert to fraction form
    12,542,896.05/18,814,344.08 = 9,708,544.05/x
  3. Step 3: Cross multiply
    12,542,896.05x = 18,814,344.08 × 9,708,544.05
  4. Step 4: Simplify right side
    12,542,896.05x = 182,659,888,223,994
  5. Step 5: Solve for x
    x = 182,659,888,223,994/12,542,896.05
  6. Step 6: Final answer
    x = 14,562,816.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.