Home / 11,539,866.96-15,841,624.89-9,905,436.72

Finding the Fourth Proportional to 11,539,866.96, 15,841,624.89 and 9,905,436.72

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Solution

The fourth proportional to 11,539,866.96, 15,841,624.89 and 9,905,436.72 is: 13,597,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,866.96 : 15,841,624.89 = 9,905,436.72 : x
  2. Step 2: Convert to fraction form
    11,539,866.96/15,841,624.89 = 9,905,436.72/x
  3. Step 3: Cross multiply
    11,539,866.96x = 15,841,624.89 × 9,905,436.72
  4. Step 4: Simplify right side
    11,539,866.96x = 156,918,212,889,871.97
  5. Step 5: Solve for x
    x = 156,918,212,889,871.97/11,539,866.96
  6. Step 6: Final answer
    x = 13,597,922.18

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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.