Home / 30,219,747.74-45,343,006.23-15,839,396.54

Finding the Fourth Proportional to 30,219,747.74, 45,343,006.23 and 15,839,396.54

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Solution

The fourth proportional to 30,219,747.74, 45,343,006.23 and 15,839,396.54 is: 23,766,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219,747.74 : 45,343,006.23 = 15,839,396.54 : x
  2. Step 2: Convert to fraction form
    30,219,747.74/45,343,006.23 = 15,839,396.54/x
  3. Step 3: Cross multiply
    30,219,747.74x = 45,343,006.23 × 15,839,396.54
  4. Step 4: Simplify right side
    30,219,747.74x = 718,205,855,992,660.38
  5. Step 5: Solve for x
    x = 718,205,855,992,660.38/30,219,747.74
  6. Step 6: Final answer
    x = 23,766,110.23

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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.