Home / 19,086,753.20-28,630,129.80-16,996,564.40

Finding the Fourth Proportional to 19,086,753.20, 28,630,129.80 and 16,996,564.40

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Solution

The fourth proportional to 19,086,753.20, 28,630,129.80 and 16,996,564.40 is: 25,494,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086,753.20 : 28,630,129.80 = 16,996,564.40 : x
  2. Step 2: Convert to fraction form
    19,086,753.20/28,630,129.80 = 16,996,564.40/x
  3. Step 3: Cross multiply
    19,086,753.20x = 28,630,129.80 × 16,996,564.40
  4. Step 4: Simplify right side
    19,086,753.20x = 486,613,844,926,059.06
  5. Step 5: Solve for x
    x = 486,613,844,926,059.06/19,086,753.20
  6. Step 6: Final answer
    x = 25,494,846.60

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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.