Home / 30,276,974.10-45,422,415.82-8,711,754.42

Finding the Fourth Proportional to 30,276,974.10, 45,422,415.82 and 8,711,754.42

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Solution

The fourth proportional to 30,276,974.10, 45,422,415.82 and 8,711,754.42 is: 13,069,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,974.10 : 45,422,415.82 = 8,711,754.42 : x
  2. Step 2: Convert to fraction form
    30,276,974.10/45,422,415.82 = 8,711,754.42/x
  3. Step 3: Cross multiply
    30,276,974.10x = 45,422,415.82 × 8,711,754.42
  4. Step 4: Simplify right side
    30,276,974.10x = 395,708,931,786,962.94
  5. Step 5: Solve for x
    x = 395,708,931,786,962.94/30,276,974.10
  6. Step 6: Final answer
    x = 13,069,632.73

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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.