Home / 20,025,743.96-30,028,678.30-6,377,111.64

Finding the Fourth Proportional to 20,025,743.96, 30,028,678.30 and 6,377,111.64

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Solution

The fourth proportional to 20,025,743.96, 30,028,678.30 and 6,377,111.64 is: 9,562,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,743.96 : 30,028,678.30 = 6,377,111.64 : x
  2. Step 2: Convert to fraction form
    20,025,743.96/30,028,678.30 = 6,377,111.64/x
  3. Step 3: Cross multiply
    20,025,743.96x = 30,028,678.30 × 6,377,111.64
  4. Step 4: Simplify right side
    20,025,743.96x = 191,496,233,920,745.41
  5. Step 5: Solve for x
    x = 191,496,233,920,745.41/20,025,743.96
  6. Step 6: Final answer
    x = 9,562,502.86

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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.