Home / 13,146,727.40-19,753,268.70-8,356,711.40

Finding the Fourth Proportional to 13,146,727.40, 19,753,268.70 and 8,356,711.40

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Solution

The fourth proportional to 13,146,727.40, 19,753,268.70 and 8,356,711.40 is: 12,556,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,727.40 : 19,753,268.70 = 8,356,711.40 : x
  2. Step 2: Convert to fraction form
    13,146,727.40/19,753,268.70 = 8,356,711.40/x
  3. Step 3: Cross multiply
    13,146,727.40x = 19,753,268.70 × 8,356,711.40
  4. Step 4: Simplify right side
    13,146,727.40x = 165,072,365,732,553.19
  5. Step 5: Solve for x
    x = 165,072,365,732,553.19/13,146,727.40
  6. Step 6: Final answer
    x = 12,556,156.43

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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.