Home / 21,004,410.86-28,985,370.86-11,585,575.04

Finding the Fourth Proportional to 21,004,410.86, 28,985,370.86 and 11,585,575.04

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Solution

The fourth proportional to 21,004,410.86, 28,985,370.86 and 11,585,575.04 is: 15,987,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,410.86 : 28,985,370.86 = 11,585,575.04 : x
  2. Step 2: Convert to fraction form
    21,004,410.86/28,985,370.86 = 11,585,575.04/x
  3. Step 3: Cross multiply
    21,004,410.86x = 28,985,370.86 × 11,585,575.04
  4. Step 4: Simplify right side
    21,004,410.86x = 335,812,189,175,248.94
  5. Step 5: Solve for x
    x = 335,812,189,175,248.94/21,004,410.86
  6. Step 6: Final answer
    x = 15,987,698.55

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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.