Home / 30,490,821.74-45,726,532.68-10,015,791.06

Finding the Fourth Proportional to 30,490,821.74, 45,726,532.68 and 10,015,791.06

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Solution

The fourth proportional to 30,490,821.74, 45,726,532.68 and 10,015,791.06 is: 15,020,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490,821.74 : 45,726,532.68 = 10,015,791.06 : x
  2. Step 2: Convert to fraction form
    30,490,821.74/45,726,532.68 = 10,015,791.06/x
  3. Step 3: Cross multiply
    30,490,821.74x = 45,726,532.68 × 10,015,791.06
  4. Step 4: Simplify right side
    30,490,821.74x = 457,987,397,221,141.88
  5. Step 5: Solve for x
    x = 457,987,397,221,141.88/30,490,821.74
  6. Step 6: Final answer
    x = 15,020,500.30

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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.