Home / 15,170,510.34-20,937,352.43-8,556,456.45

Finding the Fourth Proportional to 15,170,510.34, 20,937,352.43 and 8,556,456.45

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Solution

The fourth proportional to 15,170,510.34, 20,937,352.43 and 8,556,456.45 is: 11,809,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,510.34 : 20,937,352.43 = 8,556,456.45 : x
  2. Step 2: Convert to fraction form
    15,170,510.34/20,937,352.43 = 8,556,456.45/x
  3. Step 3: Cross multiply
    15,170,510.34x = 20,937,352.43 × 8,556,456.45
  4. Step 4: Simplify right side
    15,170,510.34x = 179,149,544,202,814.38
  5. Step 5: Solve for x
    x = 179,149,544,202,814.38/15,170,510.34
  6. Step 6: Final answer
    x = 11,809,065.10

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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.