Home / 11,937,206.88-17,890,734.60-5,105,660.40

Finding the Fourth Proportional to 11,937,206.88, 17,890,734.60 and 5,105,660.40

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Solution

The fourth proportional to 11,937,206.88, 17,890,734.60 and 5,105,660.40 is: 7,652,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937,206.88 : 17,890,734.60 = 5,105,660.40 : x
  2. Step 2: Convert to fraction form
    11,937,206.88/17,890,734.60 = 5,105,660.40/x
  3. Step 3: Cross multiply
    11,937,206.88x = 17,890,734.60 × 5,105,660.40
  4. Step 4: Simplify right side
    11,937,206.88x = 91,344,015,174,129.86
  5. Step 5: Solve for x
    x = 91,344,015,174,129.86/11,937,206.88
  6. Step 6: Final answer
    x = 7,652,042.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.