Home / 21,814,620.86-30,105,976.47-12,523,983.83

Finding the Fourth Proportional to 21,814,620.86, 30,105,976.47 and 12,523,983.83

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Solution

The fourth proportional to 21,814,620.86, 30,105,976.47 and 12,523,983.83 is: 17,284,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814,620.86 : 30,105,976.47 = 12,523,983.83 : x
  2. Step 2: Convert to fraction form
    21,814,620.86/30,105,976.47 = 12,523,983.83/x
  3. Step 3: Cross multiply
    21,814,620.86x = 30,105,976.47 × 12,523,983.83
  4. Step 4: Simplify right side
    21,814,620.86x = 377,046,762,330,455.62
  5. Step 5: Solve for x
    x = 377,046,762,330,455.62/21,814,620.86
  6. Step 6: Final answer
    x = 17,284,130.90

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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.