Home / 18,969,934.62-28,459,428.75-6,190,463.10

Finding the Fourth Proportional to 18,969,934.62, 28,459,428.75 and 6,190,463.10

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Solution

The fourth proportional to 18,969,934.62, 28,459,428.75 and 6,190,463.10 is: 9,287,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969,934.62 : 28,459,428.75 = 6,190,463.10 : x
  2. Step 2: Convert to fraction form
    18,969,934.62/28,459,428.75 = 6,190,463.10/x
  3. Step 3: Cross multiply
    18,969,934.62x = 28,459,428.75 × 6,190,463.10
  4. Step 4: Simplify right side
    18,969,934.62x = 176,177,043,523,954.12
  5. Step 5: Solve for x
    x = 176,177,043,523,954.12/18,969,934.62
  6. Step 6: Final answer
    x = 9,287,171.89

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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.