Home / 5,328,024.40-7,992,036.60-5,280,785.20

Finding the Fourth Proportional to 5,328,024.40, 7,992,036.60 and 5,280,785.20

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Solution

The fourth proportional to 5,328,024.40, 7,992,036.60 and 5,280,785.20 is: 7,921,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,024.40 : 7,992,036.60 = 5,280,785.20 : x
  2. Step 2: Convert to fraction form
    5,328,024.40/7,992,036.60 = 5,280,785.20/x
  3. Step 3: Cross multiply
    5,328,024.40x = 7,992,036.60 × 5,280,785.20
  4. Step 4: Simplify right side
    5,328,024.40x = 42,204,228,595,138.32
  5. Step 5: Solve for x
    x = 42,204,228,595,138.32/5,328,024.40
  6. Step 6: Final answer
    x = 7,921,177.80

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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.