Home / 17,091,100.57-25,636,612.85-13,206,206.68

Finding the Fourth Proportional to 17,091,100.57, 25,636,612.85 and 13,206,206.68

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Solution

The fourth proportional to 17,091,100.57, 25,636,612.85 and 13,206,206.68 is: 19,809,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,091,100.57 : 25,636,612.85 = 13,206,206.68 : x
  2. Step 2: Convert to fraction form
    17,091,100.57/25,636,612.85 = 13,206,206.68/x
  3. Step 3: Cross multiply
    17,091,100.57x = 25,636,612.85 × 13,206,206.68
  4. Step 4: Simplify right side
    17,091,100.57x = 338,562,407,887,781.81
  5. Step 5: Solve for x
    x = 338,562,407,887,781.81/17,091,100.57
  6. Step 6: Final answer
    x = 19,809,280.66

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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.