Home / 12,642,911.09-17,447,217.31-6,841,692.82

Finding the Fourth Proportional to 12,642,911.09, 17,447,217.31 and 6,841,692.82

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Solution

The fourth proportional to 12,642,911.09, 17,447,217.31 and 6,841,692.82 is: 9,441,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,911.09 : 17,447,217.31 = 6,841,692.82 : x
  2. Step 2: Convert to fraction form
    12,642,911.09/17,447,217.31 = 6,841,692.82/x
  3. Step 3: Cross multiply
    12,642,911.09x = 17,447,217.31 × 6,841,692.82
  4. Step 4: Simplify right side
    12,642,911.09x = 119,368,501,429,167.86
  5. Step 5: Solve for x
    x = 119,368,501,429,167.86/12,642,911.09
  6. Step 6: Final answer
    x = 9,441,536.10

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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.