Home / 18,889,272.30-28,333,908.45-11,331,000.30

Finding the Fourth Proportional to 18,889,272.30, 28,333,908.45 and 11,331,000.30

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Solution

The fourth proportional to 18,889,272.30, 28,333,908.45 and 11,331,000.30 is: 16,996,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889,272.30 : 28,333,908.45 = 11,331,000.30 : x
  2. Step 2: Convert to fraction form
    18,889,272.30/28,333,908.45 = 11,331,000.30/x
  3. Step 3: Cross multiply
    18,889,272.30x = 28,333,908.45 × 11,331,000.30
  4. Step 4: Simplify right side
    18,889,272.30x = 321,051,525,147,122.56
  5. Step 5: Solve for x
    x = 321,051,525,147,122.56/18,889,272.30
  6. Step 6: Final answer
    x = 16,996,500.45

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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.