Home / 19,128,462.90-28,692,823.30-6,992,933.86

Finding the Fourth Proportional to 19,128,462.90, 28,692,823.30 and 6,992,933.86

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Solution

The fourth proportional to 19,128,462.90, 28,692,823.30 and 6,992,933.86 is: 10,489,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,462.90 : 28,692,823.30 = 6,992,933.86 : x
  2. Step 2: Convert to fraction form
    19,128,462.90/28,692,823.30 = 6,992,933.86/x
  3. Step 3: Cross multiply
    19,128,462.90x = 28,692,823.30 × 6,992,933.86
  4. Step 4: Simplify right side
    19,128,462.90x = 200,647,015,593,566.94
  5. Step 5: Solve for x
    x = 200,647,015,593,566.94/19,128,462.90
  6. Step 6: Final answer
    x = 10,489,447.93

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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.