Home / 12,642,656.67-17,446,912.12-6,841,437.78

Finding the Fourth Proportional to 12,642,656.67, 17,446,912.12 and 6,841,437.78

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Solution

The fourth proportional to 12,642,656.67, 17,446,912.12 and 6,841,437.78 is: 9,441,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,656.67 : 17,446,912.12 = 6,841,437.78 : x
  2. Step 2: Convert to fraction form
    12,642,656.67/17,446,912.12 = 6,841,437.78/x
  3. Step 3: Cross multiply
    12,642,656.67x = 17,446,912.12 × 6,841,437.78
  4. Step 4: Simplify right side
    12,642,656.67x = 119,361,963,634,873.34
  5. Step 5: Solve for x
    x = 119,361,963,634,873.34/12,642,656.67
  6. Step 6: Final answer
    x = 9,441,208.98

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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.