Home / 15,170,509.83-20,937,351.74-8,556,455.95

Finding the Fourth Proportional to 15,170,509.83, 20,937,351.74 and 8,556,455.95

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Solution

The fourth proportional to 15,170,509.83, 20,937,351.74 and 8,556,455.95 is: 11,809,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,509.83 : 20,937,351.74 = 8,556,455.95 : x
  2. Step 2: Convert to fraction form
    15,170,509.83/20,937,351.74 = 8,556,455.95/x
  3. Step 3: Cross multiply
    15,170,509.83x = 20,937,351.74 × 8,556,455.95
  4. Step 4: Simplify right side
    15,170,509.83x = 179,149,527,872,965.81
  5. Step 5: Solve for x
    x = 179,149,527,872,965.81/15,170,509.83
  6. Step 6: Final answer
    x = 11,809,064.42

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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.