Home / 28,692,619.16-43,039,122.53-10,489,325.94

Finding the Fourth Proportional to 28,692,619.16, 43,039,122.53 and 10,489,325.94

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Solution

The fourth proportional to 28,692,619.16, 43,039,122.53 and 10,489,325.94 is: 15,734,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692,619.16 : 43,039,122.53 = 10,489,325.94 : x
  2. Step 2: Convert to fraction form
    28,692,619.16/43,039,122.53 = 10,489,325.94/x
  3. Step 3: Cross multiply
    28,692,619.16x = 43,039,122.53 × 10,489,325.94
  4. Step 4: Simplify right side
    28,692,619.16x = 451,451,384,336,320.75
  5. Step 5: Solve for x
    x = 451,451,384,336,320.75/28,692,619.16
  6. Step 6: Final answer
    x = 15,734,059.76

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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.