Home / 11,539,859.59-15,841,614.85-9,905,429.44

Finding the Fourth Proportional to 11,539,859.59, 15,841,614.85 and 9,905,429.44

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Solution

The fourth proportional to 11,539,859.59, 15,841,614.85 and 9,905,429.44 is: 13,597,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,859.59 : 15,841,614.85 = 9,905,429.44 : x
  2. Step 2: Convert to fraction form
    11,539,859.59/15,841,614.85 = 9,905,429.44/x
  3. Step 3: Cross multiply
    11,539,859.59x = 15,841,614.85 × 9,905,429.44
  4. Step 4: Simplify right side
    11,539,859.59x = 156,917,998,112,331.19
  5. Step 5: Solve for x
    x = 156,917,998,112,331.19/11,539,859.59
  6. Step 6: Final answer
    x = 13,597,912.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.