Home / 8,085,546.60-12,128,319.90-7,926,114.30

Finding the Fourth Proportional to 8,085,546.60, 12,128,319.90 and 7,926,114.30

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Solution

The fourth proportional to 8,085,546.60, 12,128,319.90 and 7,926,114.30 is: 11,889,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,546.60 : 12,128,319.90 = 7,926,114.30 : x
  2. Step 2: Convert to fraction form
    8,085,546.60/12,128,319.90 = 7,926,114.30/x
  3. Step 3: Cross multiply
    8,085,546.60x = 12,128,319.90 × 7,926,114.30
  4. Step 4: Simplify right side
    8,085,546.60x = 96,130,449,794,364.58
  5. Step 5: Solve for x
    x = 96,130,449,794,364.58/8,085,546.60
  6. Step 6: Final answer
    x = 11,889,171.45

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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.