Home / 19,313,321.05-28,965,487.24-7,188,494.63

Finding the Fourth Proportional to 19,313,321.05, 28,965,487.24 and 7,188,494.63

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Solution

The fourth proportional to 19,313,321.05, 28,965,487.24 and 7,188,494.63 is: 10,781,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,321.05 : 28,965,487.24 = 7,188,494.63 : x
  2. Step 2: Convert to fraction form
    19,313,321.05/28,965,487.24 = 7,188,494.63/x
  3. Step 3: Cross multiply
    19,313,321.05x = 28,965,487.24 × 7,188,494.63
  4. Step 4: Simplify right side
    19,313,321.05x = 208,218,249,480,073.50
  5. Step 5: Solve for x
    x = 208,218,249,480,073.50/19,313,321.05
  6. Step 6: Final answer
    x = 10,781,069.14

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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.