Home / 11,300,132.36-15,601,692.72-8,681,972.60

Finding the Fourth Proportional to 11,300,132.36, 15,601,692.72 and 8,681,972.60

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Solution

The fourth proportional to 11,300,132.36, 15,601,692.72 and 8,681,972.60 is: 11,986,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300,132.36 : 15,601,692.72 = 8,681,972.60 : x
  2. Step 2: Convert to fraction form
    11,300,132.36/15,601,692.72 = 8,681,972.60/x
  3. Step 3: Cross multiply
    11,300,132.36x = 15,601,692.72 × 8,681,972.60
  4. Step 4: Simplify right side
    11,300,132.36x = 135,453,468,708,659.47
  5. Step 5: Solve for x
    x = 135,453,468,708,659.47/11,300,132.36
  6. Step 6: Final answer
    x = 11,986,892.22

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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.