Home / 30,443,623.29-45,672,151.77-8,879,912.64

Finding the Fourth Proportional to 30,443,623.29, 45,672,151.77 and 8,879,912.64

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Solution

The fourth proportional to 30,443,623.29, 45,672,151.77 and 8,879,912.64 is: 13,321,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,623.29 : 45,672,151.77 = 8,879,912.64 : x
  2. Step 2: Convert to fraction form
    30,443,623.29/45,672,151.77 = 8,879,912.64/x
  3. Step 3: Cross multiply
    30,443,623.29x = 45,672,151.77 × 8,879,912.64
  4. Step 4: Simplify right side
    30,443,623.29x = 405,564,717,798,421.44
  5. Step 5: Solve for x
    x = 405,564,717,798,421.44/30,443,623.29
  6. Step 6: Final answer
    x = 13,321,828.15

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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.