Home / 7,187,130.40-10,780,695.60-5,161,093.60

Finding the Fourth Proportional to 7,187,130.40, 10,780,695.60 and 5,161,093.60

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Solution

The fourth proportional to 7,187,130.40, 10,780,695.60 and 5,161,093.60 is: 7,741,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,130.40 : 10,780,695.60 = 5,161,093.60 : x
  2. Step 2: Convert to fraction form
    7,187,130.40/10,780,695.60 = 5,161,093.60/x
  3. Step 3: Cross multiply
    7,187,130.40x = 10,780,695.60 × 5,161,093.60
  4. Step 4: Simplify right side
    7,187,130.40x = 55,640,179,064,708.16
  5. Step 5: Solve for x
    x = 55,640,179,064,708.16/7,187,130.40
  6. Step 6: Final answer
    x = 7,741,640.40

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Double scale
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Similar ratio
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1.5x scale

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.