Home / 11,839,357-16,338,312.70-6,406,849

Finding the Fourth Proportional to 11,839,357, 16,338,312.70 and 6,406,849

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Solution

The fourth proportional to 11,839,357, 16,338,312.70 and 6,406,849 is: 8,841,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,357 : 16,338,312.70 = 6,406,849 : x
  2. Step 2: Convert to fraction form
    11,839,357/16,338,312.70 = 6,406,849/x
  3. Step 3: Cross multiply
    11,839,357x = 16,338,312.70 × 6,406,849
  4. Step 4: Simplify right side
    11,839,357x = 104,677,102,383,682.30
  5. Step 5: Solve for x
    x = 104,677,102,383,682.30/11,839,357
  6. Step 6: Final answer
    x = 8,841,451.64

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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.