Home / 13,647,905.10-20,471,857.65-6,473,451.60

Finding the Fourth Proportional to 13,647,905.10, 20,471,857.65 and 6,473,451.60

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Solution

The fourth proportional to 13,647,905.10, 20,471,857.65 and 6,473,451.60 is: 9,710,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647,905.10 : 20,471,857.65 = 6,473,451.60 : x
  2. Step 2: Convert to fraction form
    13,647,905.10/20,471,857.65 = 6,473,451.60/x
  3. Step 3: Cross multiply
    13,647,905.10x = 20,471,857.65 × 6,473,451.60
  4. Step 4: Simplify right side
    13,647,905.10x = 132,523,579,659,364.72
  5. Step 5: Solve for x
    x = 132,523,579,659,364.72/13,647,905.10
  6. Step 6: Final answer
    x = 9,710,177.40

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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.