Home / 18,697,570.72-28,043,544.56-5,916,412.24

Finding the Fourth Proportional to 18,697,570.72, 28,043,544.56 and 5,916,412.24

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Solution

The fourth proportional to 18,697,570.72, 28,043,544.56 and 5,916,412.24 is: 8,873,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,570.72 : 28,043,544.56 = 5,916,412.24 : x
  2. Step 2: Convert to fraction form
    18,697,570.72/28,043,544.56 = 5,916,412.24/x
  3. Step 3: Cross multiply
    18,697,570.72x = 28,043,544.56 × 5,916,412.24
  4. Step 4: Simplify right side
    18,697,570.72x = 165,917,170,188,078.50
  5. Step 5: Solve for x
    x = 165,917,170,188,078.50/18,697,570.72
  6. Step 6: Final answer
    x = 8,873,728.72

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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.