Home / 11,723,108.60-16,171,938.14-7,999,146.51

Finding the Fourth Proportional to 11,723,108.60, 16,171,938.14 and 7,999,146.51

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Solution

The fourth proportional to 11,723,108.60, 16,171,938.14 and 7,999,146.51 is: 11,034,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723,108.60 : 16,171,938.14 = 7,999,146.51 : x
  2. Step 2: Convert to fraction form
    11,723,108.60/16,171,938.14 = 7,999,146.51/x
  3. Step 3: Cross multiply
    11,723,108.60x = 16,171,938.14 × 7,999,146.51
  4. Step 4: Simplify right side
    11,723,108.60x = 129,361,702,431,876.39
  5. Step 5: Solve for x
    x = 129,361,702,431,876.39/11,723,108.60
  6. Step 6: Final answer
    x = 11,034,761.07

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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.