Home / 7,856,215.17-10,846,558.04-5,379,580.28

Finding the Fourth Proportional to 7,856,215.17, 10,846,558.04 and 5,379,580.28

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Solution

The fourth proportional to 7,856,215.17, 10,846,558.04 and 5,379,580.28 is: 7,427,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,215.17 : 10,846,558.04 = 5,379,580.28 : x
  2. Step 2: Convert to fraction form
    7,856,215.17/10,846,558.04 = 5,379,580.28/x
  3. Step 3: Cross multiply
    7,856,215.17x = 10,846,558.04 × 5,379,580.28
  4. Step 4: Simplify right side
    7,856,215.17x = 58,349,929,707,326.20
  5. Step 5: Solve for x
    x = 58,349,929,707,326.20/7,856,215.17
  6. Step 6: Final answer
    x = 7,427,231.62

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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.