Home / 11,839,340-16,338,289.20-6,406,832

Finding the Fourth Proportional to 11,839,340, 16,338,289.20 and 6,406,832

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Solution

The fourth proportional to 11,839,340, 16,338,289.20 and 6,406,832 is: 8,841,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,340 : 16,338,289.20 = 6,406,832 : x
  2. Step 2: Convert to fraction form
    11,839,340/16,338,289.20 = 6,406,832/x
  3. Step 3: Cross multiply
    11,839,340x = 16,338,289.20 × 6,406,832
  4. Step 4: Simplify right side
    11,839,340x = 104,676,674,071,814.39
  5. Step 5: Solve for x
    x = 104,676,674,071,814.39/11,839,340
  6. Step 6: Final answer
    x = 8,841,428.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.