Home / 11,539,865.96-15,841,623.52-9,905,435.72

Finding the Fourth Proportional to 11,539,865.96, 15,841,623.52 and 9,905,435.72

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Solution

The fourth proportional to 11,539,865.96, 15,841,623.52 and 9,905,435.72 is: 13,597,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,865.96 : 15,841,623.52 = 9,905,435.72 : x
  2. Step 2: Convert to fraction form
    11,539,865.96/15,841,623.52 = 9,905,435.72/x
  3. Step 3: Cross multiply
    11,539,865.96x = 15,841,623.52 × 9,905,435.72
  4. Step 4: Simplify right side
    11,539,865.96x = 156,918,183,477,800.12
  5. Step 5: Solve for x
    x = 156,918,183,477,800.12/11,539,865.96
  6. Step 6: Final answer
    x = 13,597,920.81

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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.