Home / 7,164,556.84-10,751,034.30-5,140,619.56

Finding the Fourth Proportional to 7,164,556.84, 10,751,034.30 and 5,140,619.56

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Solution

The fourth proportional to 7,164,556.84, 10,751,034.30 and 5,140,619.56 is: 7,713,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,556.84 : 10,751,034.30 = 5,140,619.56 : x
  2. Step 2: Convert to fraction form
    7,164,556.84/10,751,034.30 = 5,140,619.56/x
  3. Step 3: Cross multiply
    7,164,556.84x = 10,751,034.30 × 5,140,619.56
  4. Step 4: Simplify right side
    7,164,556.84x = 55,266,977,212,810.91
  5. Step 5: Solve for x
    x = 55,266,977,212,810.91/7,164,556.84
  6. Step 6: Final answer
    x = 7,713,942.18

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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.