Home / 12,444,703.20-18,667,054.80-9,043,480.80

Finding the Fourth Proportional to 12,444,703.20, 18,667,054.80 and 9,043,480.80

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Solution

The fourth proportional to 12,444,703.20, 18,667,054.80 and 9,043,480.80 is: 13,565,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,703.20 : 18,667,054.80 = 9,043,480.80 : x
  2. Step 2: Convert to fraction form
    12,444,703.20/18,667,054.80 = 9,043,480.80/x
  3. Step 3: Cross multiply
    12,444,703.20x = 18,667,054.80 × 9,043,480.80
  4. Step 4: Simplify right side
    12,444,703.20x = 168,815,151,676,347.88
  5. Step 5: Solve for x
    x = 168,815,151,676,347.88/12,444,703.20
  6. Step 6: Final answer
    x = 13,565,221.20

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1.5x scale

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.