Home / 25,637,536.80-38,456,305.20-7,686,640.80

Finding the Fourth Proportional to 25,637,536.80, 38,456,305.20 and 7,686,640.80

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Solution

The fourth proportional to 25,637,536.80, 38,456,305.20 and 7,686,640.80 is: 11,529,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637,536.80 : 38,456,305.20 = 7,686,640.80 : x
  2. Step 2: Convert to fraction form
    25,637,536.80/38,456,305.20 = 7,686,640.80/x
  3. Step 3: Cross multiply
    25,637,536.80x = 38,456,305.20 × 7,686,640.80
  4. Step 4: Simplify right side
    25,637,536.80x = 295,599,804,567,572.19
  5. Step 5: Solve for x
    x = 295,599,804,567,572.19/25,637,536.80
  6. Step 6: Final answer
    x = 11,529,961.20

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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.