Home / 21,185,599.60-31,778,399.40-7,002,175.60

Finding the Fourth Proportional to 21,185,599.60, 31,778,399.40 and 7,002,175.60

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Solution

The fourth proportional to 21,185,599.60, 31,778,399.40 and 7,002,175.60 is: 10,503,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185,599.60 : 31,778,399.40 = 7,002,175.60 : x
  2. Step 2: Convert to fraction form
    21,185,599.60/31,778,399.40 = 7,002,175.60/x
  3. Step 3: Cross multiply
    21,185,599.60x = 31,778,399.40 × 7,002,175.60
  4. Step 4: Simplify right side
    21,185,599.60x = 222,517,932,885,734.62
  5. Step 5: Solve for x
    x = 222,517,932,885,734.62/21,185,599.60
  6. Step 6: Final answer
    x = 10,503,263.40

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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.