Home / 19,162,705.76-28,722,631.97-10,065,764.45

Finding the Fourth Proportional to 19,162,705.76, 28,722,631.97 and 10,065,764.45

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Solution

The fourth proportional to 19,162,705.76, 28,722,631.97 and 10,065,764.45 is: 15,087,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,705.76 : 28,722,631.97 = 10,065,764.45 : x
  2. Step 2: Convert to fraction form
    19,162,705.76/28,722,631.97 = 10,065,764.45/x
  3. Step 3: Cross multiply
    19,162,705.76x = 28,722,631.97 × 10,065,764.45
  4. Step 4: Simplify right side
    19,162,705.76x = 289,115,247,600,117.50
  5. Step 5: Solve for x
    x = 289,115,247,600,117.50/19,162,705.76
  6. Step 6: Final answer
    x = 15,087,391.69

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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.