Home / 12,642,685.96-17,446,952.68-6,841,467.20

Finding the Fourth Proportional to 12,642,685.96, 17,446,952.68 and 6,841,467.20

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Solution

The fourth proportional to 12,642,685.96, 17,446,952.68 and 6,841,467.20 is: 9,441,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,685.96 : 17,446,952.68 = 6,841,467.20 : x
  2. Step 2: Convert to fraction form
    12,642,685.96/17,446,952.68 = 6,841,467.20/x
  3. Step 3: Cross multiply
    12,642,685.96x = 17,446,952.68 × 6,841,467.20
  4. Step 4: Simplify right side
    12,642,685.96x = 119,362,754,500,172.09
  5. Step 5: Solve for x
    x = 119,362,754,500,172.09/12,642,685.96
  6. Step 6: Final answer
    x = 9,441,249.66

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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.