Home / 30,252,073.12-41,751,094.36-18,498,230.56

Finding the Fourth Proportional to 30,252,073.12, 41,751,094.36 and 18,498,230.56

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Solution

The fourth proportional to 30,252,073.12, 41,751,094.36 and 18,498,230.56 is: 25,529,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252,073.12 : 41,751,094.36 = 18,498,230.56 : x
  2. Step 2: Convert to fraction form
    30,252,073.12/41,751,094.36 = 18,498,230.56/x
  3. Step 3: Cross multiply
    30,252,073.12x = 41,751,094.36 × 18,498,230.56
  4. Step 4: Simplify right side
    30,252,073.12x = 772,321,369,603,595.62
  5. Step 5: Solve for x
    x = 772,321,369,603,595.62/30,252,073.12
  6. Step 6: Final answer
    x = 25,529,535.33

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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.