Home / 19,781,241.39-29,669,168.57-5,206,940.35

Finding the Fourth Proportional to 19,781,241.39, 29,669,168.57 and 5,206,940.35

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Solution

The fourth proportional to 19,781,241.39, 29,669,168.57 and 5,206,940.35 is: 7,809,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,241.39 : 29,669,168.57 = 5,206,940.35 : x
  2. Step 2: Convert to fraction form
    19,781,241.39/29,669,168.57 = 5,206,940.35/x
  3. Step 3: Cross multiply
    19,781,241.39x = 29,669,168.57 × 5,206,940.35
  4. Step 4: Simplify right side
    19,781,241.39x = 154,485,590,877,877.19
  5. Step 5: Solve for x
    x = 154,485,590,877,877.19/19,781,241.39
  6. Step 6: Final answer
    x = 7,809,701.52

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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.