Home / 6,752,329.30-10,128,478.79-5,217,556.60

Finding the Fourth Proportional to 6,752,329.30, 10,128,478.79 and 5,217,556.60

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Solution

The fourth proportional to 6,752,329.30, 10,128,478.79 and 5,217,556.60 is: 7,826,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752,329.30 : 10,128,478.79 = 5,217,556.60 : x
  2. Step 2: Convert to fraction form
    6,752,329.30/10,128,478.79 = 5,217,556.60/x
  3. Step 3: Cross multiply
    6,752,329.30x = 10,128,478.79 × 5,217,556.60
  4. Step 4: Simplify right side
    6,752,329.30x = 52,845,911,346,447.21
  5. Step 5: Solve for x
    x = 52,845,911,346,447.21/6,752,329.30
  6. Step 6: Final answer
    x = 7,826,323.19

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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.