Home / 30,443,829.54-45,672,462.05-8,880,118.89

Finding the Fourth Proportional to 30,443,829.54, 45,672,462.05 and 8,880,118.89

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Solution

The fourth proportional to 30,443,829.54, 45,672,462.05 and 8,880,118.89 is: 13,322,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,829.54 : 45,672,462.05 = 8,880,118.89 : x
  2. Step 2: Convert to fraction form
    30,443,829.54/45,672,462.05 = 8,880,118.89/x
  3. Step 3: Cross multiply
    30,443,829.54x = 45,672,462.05 × 8,880,118.89
  4. Step 4: Simplify right side
    30,443,829.54x = 405,576,892,958,612.56
  5. Step 5: Solve for x
    x = 405,576,892,958,612.56/30,443,829.54
  6. Step 6: Final answer
    x = 13,322,137.82

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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.