Home / 19,313,322.13-28,965,488.82-7,188,495.72

Finding the Fourth Proportional to 19,313,322.13, 28,965,488.82 and 7,188,495.72

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Solution

The fourth proportional to 19,313,322.13, 28,965,488.82 and 7,188,495.72 is: 10,781,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,322.13 : 28,965,488.82 = 7,188,495.72 : x
  2. Step 2: Convert to fraction form
    19,313,322.13/28,965,488.82 = 7,188,495.72/x
  3. Step 3: Cross multiply
    19,313,322.13x = 28,965,488.82 × 7,188,495.72
  4. Step 4: Simplify right side
    19,313,322.13x = 208,218,292,315,135.69
  5. Step 5: Solve for x
    x = 208,218,292,315,135.69/19,313,322.13
  6. Step 6: Final answer
    x = 10,781,070.75

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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.