Home / 15,110,644.86-20,843,053.11-12,361,323.42

Finding the Fourth Proportional to 15,110,644.86, 20,843,053.11 and 12,361,323.42

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Solution

The fourth proportional to 15,110,644.86, 20,843,053.11 and 12,361,323.42 is: 17,050,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,644.86 : 20,843,053.11 = 12,361,323.42 : x
  2. Step 2: Convert to fraction form
    15,110,644.86/20,843,053.11 = 12,361,323.42/x
  3. Step 3: Cross multiply
    15,110,644.86x = 20,843,053.11 × 12,361,323.42
  4. Step 4: Simplify right side
    15,110,644.86x = 257,647,720,552,946.81
  5. Step 5: Solve for x
    x = 257,647,720,552,946.81/15,110,644.86
  6. Step 6: Final answer
    x = 17,050,742.90

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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.