Home / 7,320,556.10-10,102,739.73-4,221,927.38

Finding the Fourth Proportional to 7,320,556.10, 10,102,739.73 and 4,221,927.38

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Solution

The fourth proportional to 7,320,556.10, 10,102,739.73 and 4,221,927.38 is: 5,826,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,556.10 : 10,102,739.73 = 4,221,927.38 : x
  2. Step 2: Convert to fraction form
    7,320,556.10/10,102,739.73 = 4,221,927.38/x
  3. Step 3: Cross multiply
    7,320,556.10x = 10,102,739.73 × 4,221,927.38
  4. Step 4: Simplify right side
    7,320,556.10x = 42,653,033,479,100.80
  5. Step 5: Solve for x
    x = 42,653,033,479,100.80/7,320,556.10
  6. Step 6: Final answer
    x = 5,826,474.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.