Home / 12,116,229.48-16,720,444.44-6,609,721.50

Finding the Fourth Proportional to 12,116,229.48, 16,720,444.44 and 6,609,721.50

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Solution

The fourth proportional to 12,116,229.48, 16,720,444.44 and 6,609,721.50 is: 9,121,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,229.48 : 16,720,444.44 = 6,609,721.50 : x
  2. Step 2: Convert to fraction form
    12,116,229.48/16,720,444.44 = 6,609,721.50/x
  3. Step 3: Cross multiply
    12,116,229.48x = 16,720,444.44 × 6,609,721.50
  4. Step 4: Simplify right side
    12,116,229.48x = 110,517,481,104,623.45
  5. Step 5: Solve for x
    x = 110,517,481,104,623.45/12,116,229.48
  6. Step 6: Final answer
    x = 9,121,441.72

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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.