Home / 19,162,706.52-28,722,633.09-10,065,765.20

Finding the Fourth Proportional to 19,162,706.52, 28,722,633.09 and 10,065,765.20

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Solution

The fourth proportional to 19,162,706.52, 28,722,633.09 and 10,065,765.20 is: 15,087,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,706.52 : 28,722,633.09 = 10,065,765.20 : x
  2. Step 2: Convert to fraction form
    19,162,706.52/28,722,633.09 = 10,065,765.20/x
  3. Step 3: Cross multiply
    19,162,706.52x = 28,722,633.09 × 10,065,765.20
  4. Step 4: Simplify right side
    19,162,706.52x = 289,115,280,466,077.31
  5. Step 5: Solve for x
    x = 289,115,280,466,077.31/19,162,706.52
  6. Step 6: Final answer
    x = 15,087,392.81

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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.