Home / 13,187,998.20-19,781,997.30-9,954,737.40

Finding the Fourth Proportional to 13,187,998.20, 19,781,997.30 and 9,954,737.40

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Solution

The fourth proportional to 13,187,998.20, 19,781,997.30 and 9,954,737.40 is: 14,932,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,998.20 : 19,781,997.30 = 9,954,737.40 : x
  2. Step 2: Convert to fraction form
    13,187,998.20/19,781,997.30 = 9,954,737.40/x
  3. Step 3: Cross multiply
    13,187,998.20x = 19,781,997.30 × 9,954,737.40
  4. Step 4: Simplify right side
    13,187,998.20x = 196,924,588,369,009.03
  5. Step 5: Solve for x
    x = 196,924,588,369,009.03/13,187,998.20
  6. Step 6: Final answer
    x = 14,932,106.10

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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.