Home / 26,858,412.60-40,287,618.90-18,780,509.40

Finding the Fourth Proportional to 26,858,412.60, 40,287,618.90 and 18,780,509.40

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Solution

The fourth proportional to 26,858,412.60, 40,287,618.90 and 18,780,509.40 is: 28,170,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858,412.60 : 40,287,618.90 = 18,780,509.40 : x
  2. Step 2: Convert to fraction form
    26,858,412.60/40,287,618.90 = 18,780,509.40/x
  3. Step 3: Cross multiply
    26,858,412.60x = 40,287,618.90 × 18,780,509.40
  4. Step 4: Simplify right side
    26,858,412.60x = 756,622,005,455,067.62
  5. Step 5: Solve for x
    x = 756,622,005,455,067.62/26,858,412.60
  6. Step 6: Final answer
    x = 28,170,764.10

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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.