Home / 12,467,940.99-18,711,167.96-9,439,120.95

Finding the Fourth Proportional to 12,467,940.99, 18,711,167.96 and 9,439,120.95

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Solution

The fourth proportional to 12,467,940.99, 18,711,167.96 and 9,439,120.95 is: 14,165,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,940.99 : 18,711,167.96 = 9,439,120.95 : x
  2. Step 2: Convert to fraction form
    12,467,940.99/18,711,167.96 = 9,439,120.95/x
  3. Step 3: Cross multiply
    12,467,940.99x = 18,711,167.96 × 9,439,120.95
  4. Step 4: Simplify right side
    12,467,940.99x = 176,616,977,490,204.75
  5. Step 5: Solve for x
    x = 176,616,977,490,204.75/12,467,940.99
  6. Step 6: Final answer
    x = 14,165,689.24

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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.