Home / 15,990,405.90-22,066,759.99-8,648,238.83

Finding the Fourth Proportional to 15,990,405.90, 22,066,759.99 and 8,648,238.83

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Solution

The fourth proportional to 15,990,405.90, 22,066,759.99 and 8,648,238.83 is: 11,934,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,405.90 : 22,066,759.99 = 8,648,238.83 : x
  2. Step 2: Convert to fraction form
    15,990,405.90/22,066,759.99 = 8,648,238.83/x
  3. Step 3: Cross multiply
    15,990,405.90x = 22,066,759.99 × 8,648,238.83
  4. Step 4: Simplify right side
    15,990,405.90x = 190,838,610,663,785.59
  5. Step 5: Solve for x
    x = 190,838,610,663,785.59/15,990,405.90
  6. Step 6: Final answer
    x = 11,934,569.50

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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.