Home / 8,898,350.31-12,279,820.05-5,227,421.67

Finding the Fourth Proportional to 8,898,350.31, 12,279,820.05 and 5,227,421.67

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Solution

The fourth proportional to 8,898,350.31, 12,279,820.05 and 5,227,421.67 is: 7,213,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,350.31 : 12,279,820.05 = 5,227,421.67 : x
  2. Step 2: Convert to fraction form
    8,898,350.31/12,279,820.05 = 5,227,421.67/x
  3. Step 3: Cross multiply
    8,898,350.31x = 12,279,820.05 × 5,227,421.67
  4. Step 4: Simplify right side
    8,898,350.31x = 64,191,797,433,070.48
  5. Step 5: Solve for x
    x = 64,191,797,433,070.48/8,898,350.31
  6. Step 6: Final answer
    x = 7,213,898.67

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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.