Home / 13,187,998.40-19,781,997.60-9,361,623.20

Finding the Fourth Proportional to 13,187,998.40, 19,781,997.60 and 9,361,623.20

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Solution

The fourth proportional to 13,187,998.40, 19,781,997.60 and 9,361,623.20 is: 14,042,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,998.40 : 19,781,997.60 = 9,361,623.20 : x
  2. Step 2: Convert to fraction form
    13,187,998.40/19,781,997.60 = 9,361,623.20/x
  3. Step 3: Cross multiply
    13,187,998.40x = 19,781,997.60 × 9,361,623.20
  4. Step 4: Simplify right side
    13,187,998.40x = 185,191,607,674,504.31
  5. Step 5: Solve for x
    x = 185,191,607,674,504.31/13,187,998.40
  6. Step 6: Final answer
    x = 14,042,434.80

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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.