Home / 13,305,342-18,361,368.90-7,504,111.26

Finding the Fourth Proportional to 13,305,342, 18,361,368.90 and 7,504,111.26

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Solution

The fourth proportional to 13,305,342, 18,361,368.90 and 7,504,111.26 is: 10,355,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,342 : 18,361,368.90 = 7,504,111.26 : x
  2. Step 2: Convert to fraction form
    13,305,342/18,361,368.90 = 7,504,111.26/x
  3. Step 3: Cross multiply
    13,305,342x = 18,361,368.90 × 7,504,111.26
  4. Step 4: Simplify right side
    13,305,342x = 137,785,755,111,503.80
  5. Step 5: Solve for x
    x = 137,785,755,111,503.80/13,305,342
  6. Step 6: Final answer
    x = 10,355,671.81

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Double scale
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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.