Home / 13,647,908.60-20,471,862.90-6,473,455.10

Finding the Fourth Proportional to 13,647,908.60, 20,471,862.90 and 6,473,455.10

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Solution

The fourth proportional to 13,647,908.60, 20,471,862.90 and 6,473,455.10 is: 9,710,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647,908.60 : 20,471,862.90 = 6,473,455.10 : x
  2. Step 2: Convert to fraction form
    13,647,908.60/20,471,862.90 = 6,473,455.10/x
  3. Step 3: Cross multiply
    13,647,908.60x = 20,471,862.90 × 6,473,455.10
  4. Step 4: Simplify right side
    13,647,908.60x = 132,523,685,296,505.77
  5. Step 5: Solve for x
    x = 132,523,685,296,505.77/13,647,908.60
  6. Step 6: Final answer
    x = 9,710,182.65

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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.