Home / 10,036,938-15,022,834.20-5,419,505.33

Finding the Fourth Proportional to 10,036,938, 15,022,834.20 and 5,419,505.33

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Solution

The fourth proportional to 10,036,938, 15,022,834.20 and 5,419,505.33 is: 8,111,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036,938 : 15,022,834.20 = 5,419,505.33 : x
  2. Step 2: Convert to fraction form
    10,036,938/15,022,834.20 = 5,419,505.33/x
  3. Step 3: Cross multiply
    10,036,938x = 15,022,834.20 × 5,419,505.33
  4. Step 4: Simplify right side
    10,036,938x = 81,416,329,943,492.11
  5. Step 5: Solve for x
    x = 81,416,329,943,492.11/10,036,938
  6. Step 6: Final answer
    x = 8,111,670.11

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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.