Home / 8,612,814.96-12,907,035.36-4,776,324.84

Finding the Fourth Proportional to 8,612,814.96, 12,907,035.36 and 4,776,324.84

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Solution

The fourth proportional to 8,612,814.96, 12,907,035.36 and 4,776,324.84 is: 7,157,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,814.96 : 12,907,035.36 = 4,776,324.84 : x
  2. Step 2: Convert to fraction form
    8,612,814.96/12,907,035.36 = 4,776,324.84/x
  3. Step 3: Cross multiply
    8,612,814.96x = 12,907,035.36 × 4,776,324.84
  4. Step 4: Simplify right side
    8,612,814.96x = 61,648,193,600,726.34
  5. Step 5: Solve for x
    x = 61,648,193,600,726.34/8,612,814.96
  6. Step 6: Final answer
    x = 7,157,728.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.