Home / 13,682,104.19-18,881,305.23-7,487,152.25

Finding the Fourth Proportional to 13,682,104.19, 18,881,305.23 and 7,487,152.25

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Solution

The fourth proportional to 13,682,104.19, 18,881,305.23 and 7,487,152.25 is: 10,332,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682,104.19 : 18,881,305.23 = 7,487,152.25 : x
  2. Step 2: Convert to fraction form
    13,682,104.19/18,881,305.23 = 7,487,152.25/x
  3. Step 3: Cross multiply
    13,682,104.19x = 18,881,305.23 × 7,487,152.25
  4. Step 4: Simplify right side
    13,682,104.19x = 141,367,206,841,324.75
  5. Step 5: Solve for x
    x = 141,367,206,841,324.75/13,682,104.19
  6. Step 6: Final answer
    x = 10,332,270.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.