Home / 11,839,368.72-16,338,328.40-6,406,860.72

Finding the Fourth Proportional to 11,839,368.72, 16,338,328.40 and 6,406,860.72

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Solution

The fourth proportional to 11,839,368.72, 16,338,328.40 and 6,406,860.72 is: 8,841,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,368.72 : 16,338,328.40 = 6,406,860.72 : x
  2. Step 2: Convert to fraction form
    11,839,368.72/16,338,328.40 = 6,406,860.72/x
  3. Step 3: Cross multiply
    11,839,368.72x = 16,338,328.40 × 6,406,860.72
  4. Step 4: Simplify right side
    11,839,368.72x = 104,677,394,456,420.45
  5. Step 5: Solve for x
    x = 104,677,394,456,420.45/11,839,368.72
  6. Step 6: Final answer
    x = 8,841,467.56

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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.