Home / 7,195,178-9,929,475.78-3,932,130.26

Finding the Fourth Proportional to 7,195,178, 9,929,475.78 and 3,932,130.26

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Solution

The fourth proportional to 7,195,178, 9,929,475.78 and 3,932,130.26 is: 5,426,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195,178 : 9,929,475.78 = 3,932,130.26 : x
  2. Step 2: Convert to fraction form
    7,195,178/9,929,475.78 = 3,932,130.26/x
  3. Step 3: Cross multiply
    7,195,178x = 9,929,475.78 × 3,932,130.26
  4. Step 4: Simplify right side
    7,195,178x = 39,043,992,180,475.10
  5. Step 5: Solve for x
    x = 39,043,992,180,475.10/7,195,178
  6. Step 6: Final answer
    x = 5,426,410.88

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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.