Home / 30,213,456.30-45,333,578.61-15,833,105.10

Finding the Fourth Proportional to 30,213,456.30, 45,333,578.61 and 15,833,105.10

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Solution

The fourth proportional to 30,213,456.30, 45,333,578.61 and 15,833,105.10 is: 23,756,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,456.30 : 45,333,578.61 = 15,833,105.10 : x
  2. Step 2: Convert to fraction form
    30,213,456.30/45,333,578.61 = 15,833,105.10/x
  3. Step 3: Cross multiply
    30,213,456.30x = 45,333,578.61 × 15,833,105.10
  4. Step 4: Simplify right side
    30,213,456.30x = 717,771,314,691,241.88
  5. Step 5: Solve for x
    x = 717,771,314,691,241.88/30,213,456.30
  6. Step 6: Final answer
    x = 23,756,676.75

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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.