Home / 8,898,387.25-12,279,663.81-5,227,638.43

Finding the Fourth Proportional to 8,898,387.25, 12,279,663.81 and 5,227,638.43

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Solution

The fourth proportional to 8,898,387.25, 12,279,663.81 and 5,227,638.43 is: 7,214,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,387.25 : 12,279,663.81 = 5,227,638.43 : x
  2. Step 2: Convert to fraction form
    8,898,387.25/12,279,663.81 = 5,227,638.43/x
  3. Step 3: Cross multiply
    8,898,387.25x = 12,279,663.81 × 5,227,638.43
  4. Step 4: Simplify right side
    8,898,387.25x = 64,193,642,440,636.22
  5. Step 5: Solve for x
    x = 64,193,642,440,636.22/8,898,387.25
  6. Step 6: Final answer
    x = 7,214,076.06

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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.