Home / 8,647,533.36-12,971,834.88-2,890,785

Finding the Fourth Proportional to 8,647,533.36, 12,971,834.88 and 2,890,785

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Solution

The fourth proportional to 8,647,533.36, 12,971,834.88 and 2,890,785 is: 4,336,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,533.36 : 12,971,834.88 = 2,890,785 : x
  2. Step 2: Convert to fraction form
    8,647,533.36/12,971,834.88 = 2,890,785/x
  3. Step 3: Cross multiply
    8,647,533.36x = 12,971,834.88 × 2,890,785
  4. Step 4: Simplify right side
    8,647,533.36x = 37,498,785,693,580.80
  5. Step 5: Solve for x
    x = 37,498,785,693,580.80/8,647,533.36
  6. Step 6: Final answer
    x = 4,336,356.29

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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.