Home / 12,765,405.60-17,616,232.08-6,964,190.88

Finding the Fourth Proportional to 12,765,405.60, 17,616,232.08 and 6,964,190.88

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Solution

The fourth proportional to 12,765,405.60, 17,616,232.08 and 6,964,190.88 is: 9,610,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,405.60 : 17,616,232.08 = 6,964,190.88 : x
  2. Step 2: Convert to fraction form
    12,765,405.60/17,616,232.08 = 6,964,190.88/x
  3. Step 3: Cross multiply
    12,765,405.60x = 17,616,232.08 × 6,964,190.88
  4. Step 4: Simplify right side
    12,765,405.60x = 122,682,802,791,499.42
  5. Step 5: Solve for x
    x = 122,682,802,791,499.42/12,765,405.60
  6. Step 6: Final answer
    x = 9,610,568.33

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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.