Home / 8,898,351.31-12,279,821.43-5,227,422.67

Finding the Fourth Proportional to 8,898,351.31, 12,279,821.43 and 5,227,422.67

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Solution

The fourth proportional to 8,898,351.31, 12,279,821.43 and 5,227,422.67 is: 7,213,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,351.31 : 12,279,821.43 = 5,227,422.67 : x
  2. Step 2: Convert to fraction form
    8,898,351.31/12,279,821.43 = 5,227,422.67/x
  3. Step 3: Cross multiply
    8,898,351.31x = 12,279,821.43 × 5,227,422.67
  4. Step 4: Simplify right side
    8,898,351.31x = 64,191,816,926,733.81
  5. Step 5: Solve for x
    x = 64,191,816,926,733.81/8,898,351.31
  6. Step 6: Final answer
    x = 7,213,900.05

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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.