Home / 21,989,992.86-30,345,162.03-12,200,332.86

Finding the Fourth Proportional to 21,989,992.86, 30,345,162.03 and 12,200,332.86

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Solution

The fourth proportional to 21,989,992.86, 30,345,162.03 and 12,200,332.86 is: 16,835,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,992.86 : 30,345,162.03 = 12,200,332.86 : x
  2. Step 2: Convert to fraction form
    21,989,992.86/30,345,162.03 = 12,200,332.86/x
  3. Step 3: Cross multiply
    21,989,992.86x = 30,345,162.03 × 12,200,332.86
  4. Step 4: Simplify right side
    21,989,992.86x = 370,221,077,456,633.31
  5. Step 5: Solve for x
    x = 370,221,077,456,633.31/21,989,992.86
  6. Step 6: Final answer
    x = 16,835,888.93

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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.