Home / 7,556,721.80-11,335,082.70-3,072,216.20

Finding the Fourth Proportional to 7,556,721.80, 11,335,082.70 and 3,072,216.20

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Solution

The fourth proportional to 7,556,721.80, 11,335,082.70 and 3,072,216.20 is: 4,608,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556,721.80 : 11,335,082.70 = 3,072,216.20 : x
  2. Step 2: Convert to fraction form
    7,556,721.80/11,335,082.70 = 3,072,216.20/x
  3. Step 3: Cross multiply
    7,556,721.80x = 11,335,082.70 × 3,072,216.20
  4. Step 4: Simplify right side
    7,556,721.80x = 34,823,824,699,279.74
  5. Step 5: Solve for x
    x = 34,823,824,699,279.74/7,556,721.80
  6. Step 6: Final answer
    x = 4,608,324.30

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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.