Home / 35,647,431.20-53,471,146.80-8,721,087.20

Finding the Fourth Proportional to 35,647,431.20, 53,471,146.80 and 8,721,087.20

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Solution

The fourth proportional to 35,647,431.20, 53,471,146.80 and 8,721,087.20 is: 13,081,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647,431.20 : 53,471,146.80 = 8,721,087.20 : x
  2. Step 2: Convert to fraction form
    35,647,431.20/53,471,146.80 = 8,721,087.20/x
  3. Step 3: Cross multiply
    35,647,431.20x = 53,471,146.80 × 8,721,087.20
  4. Step 4: Simplify right side
    35,647,431.20x = 466,326,533,926,800.88
  5. Step 5: Solve for x
    x = 466,326,533,926,800.88/35,647,431.20
  6. Step 6: Final answer
    x = 13,081,630.80

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Double scale
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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.