Home / 7,928,704.20-11,893,056.30-5,537,219.70

Finding the Fourth Proportional to 7,928,704.20, 11,893,056.30 and 5,537,219.70

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Solution

The fourth proportional to 7,928,704.20, 11,893,056.30 and 5,537,219.70 is: 8,305,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,704.20 : 11,893,056.30 = 5,537,219.70 : x
  2. Step 2: Convert to fraction form
    7,928,704.20/11,893,056.30 = 5,537,219.70/x
  3. Step 3: Cross multiply
    7,928,704.20x = 11,893,056.30 × 5,537,219.70
  4. Step 4: Simplify right side
    7,928,704.20x = 65,854,465,637,569.12
  5. Step 5: Solve for x
    x = 65,854,465,637,569.12/7,928,704.20
  6. Step 6: Final answer
    x = 8,305,829.55

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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.