Home / 7,617,119.78-10,511,818.75-4,179,359.90

Finding the Fourth Proportional to 7,617,119.78, 10,511,818.75 and 4,179,359.90

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Solution

The fourth proportional to 7,617,119.78, 10,511,818.75 and 4,179,359.90 is: 5,767,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617,119.78 : 10,511,818.75 = 4,179,359.90 : x
  2. Step 2: Convert to fraction form
    7,617,119.78/10,511,818.75 = 4,179,359.90/x
  3. Step 3: Cross multiply
    7,617,119.78x = 10,511,818.75 × 4,179,359.90
  4. Step 4: Simplify right side
    7,617,119.78x = 43,932,673,759,818.12
  5. Step 5: Solve for x
    x = 43,932,673,759,818.12/7,617,119.78
  6. Step 6: Final answer
    x = 5,767,622.81

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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.