Home / 8,647,551.36-12,971,861.88-2,890,803

Finding the Fourth Proportional to 8,647,551.36, 12,971,861.88 and 2,890,803

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Solution

The fourth proportional to 8,647,551.36, 12,971,861.88 and 2,890,803 is: 4,336,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,551.36 : 12,971,861.88 = 2,890,803 : x
  2. Step 2: Convert to fraction form
    8,647,551.36/12,971,861.88 = 2,890,803/x
  3. Step 3: Cross multiply
    8,647,551.36x = 12,971,861.88 × 2,890,803
  4. Step 4: Simplify right side
    8,647,551.36x = 37,499,097,238,289.64
  5. Step 5: Solve for x
    x = 37,499,097,238,289.64/8,647,551.36
  6. Step 6: Final answer
    x = 4,336,383.29

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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.