Home / 12,458,200.80-18,667,180.80-7,050,770.40

Finding the Fourth Proportional to 12,458,200.80, 18,667,180.80 and 7,050,770.40

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Solution

The fourth proportional to 12,458,200.80, 18,667,180.80 and 7,050,770.40 is: 10,564,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,200.80 : 18,667,180.80 = 7,050,770.40 : x
  2. Step 2: Convert to fraction form
    12,458,200.80/18,667,180.80 = 7,050,770.40/x
  3. Step 3: Cross multiply
    12,458,200.80x = 18,667,180.80 × 7,050,770.40
  4. Step 4: Simplify right side
    12,458,200.80x = 131,618,005,836,088.33
  5. Step 5: Solve for x
    x = 131,618,005,836,088.33/12,458,200.80
  6. Step 6: Final answer
    x = 10,564,768.38

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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.