Home / 12,214,878.20-16,863,076.23-9,417,892.61

Finding the Fourth Proportional to 12,214,878.20, 16,863,076.23 and 9,417,892.61

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Solution

The fourth proportional to 12,214,878.20, 16,863,076.23 and 9,417,892.61 is: 13,001,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,878.20 : 16,863,076.23 = 9,417,892.61 : x
  2. Step 2: Convert to fraction form
    12,214,878.20/16,863,076.23 = 9,417,892.61/x
  3. Step 3: Cross multiply
    12,214,878.20x = 16,863,076.23 × 9,417,892.61
  4. Step 4: Simplify right side
    12,214,878.20x = 158,814,641,015,224.28
  5. Step 5: Solve for x
    x = 158,814,641,015,224.28/12,214,878.20
  6. Step 6: Final answer
    x = 13,001,737.59

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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.