Home / 13,102,542.20-19,653,813.30-8,295,953.60

Finding the Fourth Proportional to 13,102,542.20, 19,653,813.30 and 8,295,953.60

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Solution

The fourth proportional to 13,102,542.20, 19,653,813.30 and 8,295,953.60 is: 12,443,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,542.20 : 19,653,813.30 = 8,295,953.60 : x
  2. Step 2: Convert to fraction form
    13,102,542.20/19,653,813.30 = 8,295,953.60/x
  3. Step 3: Cross multiply
    13,102,542.20x = 19,653,813.30 × 8,295,953.60
  4. Step 4: Simplify right side
    13,102,542.20x = 163,047,123,199,862.88
  5. Step 5: Solve for x
    x = 163,047,123,199,862.88/13,102,542.20
  6. Step 6: Final answer
    x = 12,443,930.40

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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.