Home / 11,874,637.44-16,387,005.60-6,442,128

Finding the Fourth Proportional to 11,874,637.44, 16,387,005.60 and 6,442,128

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Solution

The fourth proportional to 11,874,637.44, 16,387,005.60 and 6,442,128 is: 8,890,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874,637.44 : 16,387,005.60 = 6,442,128 : x
  2. Step 2: Convert to fraction form
    11,874,637.44/16,387,005.60 = 6,442,128/x
  3. Step 3: Cross multiply
    11,874,637.44x = 16,387,005.60 × 6,442,128
  4. Step 4: Simplify right side
    11,874,637.44x = 105,567,187,611,916.80
  5. Step 5: Solve for x
    x = 105,567,187,611,916.80/11,874,637.44
  6. Step 6: Final answer
    x = 8,890,139.86

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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.