Home / 13,406,960.68-20,116,625.90-6,122,653.48

Finding the Fourth Proportional to 13,406,960.68, 20,116,625.90 and 6,122,653.48

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Solution

The fourth proportional to 13,406,960.68, 20,116,625.90 and 6,122,653.48 is: 9,186,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,960.68 : 20,116,625.90 = 6,122,653.48 : x
  2. Step 2: Convert to fraction form
    13,406,960.68/20,116,625.90 = 6,122,653.48/x
  3. Step 3: Cross multiply
    13,406,960.68x = 20,116,625.90 × 6,122,653.48
  4. Step 4: Simplify right side
    13,406,960.68x = 123,167,129,572,493.12
  5. Step 5: Solve for x
    x = 123,167,129,572,493.12/13,406,960.68
  6. Step 6: Final answer
    x = 9,186,804.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.