Home / 15,406,992.94-21,261,388.84-8,531,327.38

Finding the Fourth Proportional to 15,406,992.94, 21,261,388.84 and 8,531,327.38

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Solution

The fourth proportional to 15,406,992.94, 21,261,388.84 and 8,531,327.38 is: 11,773,087.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,992.94 : 21,261,388.84 = 8,531,327.38 : x
  2. Step 2: Convert to fraction form
    15,406,992.94/21,261,388.84 = 8,531,327.38/x
  3. Step 3: Cross multiply
    15,406,992.94x = 21,261,388.84 × 8,531,327.38
  4. Step 4: Simplify right side
    15,406,992.94x = 181,387,868,598,554.88
  5. Step 5: Solve for x
    x = 181,387,868,598,554.88/15,406,992.94
  6. Step 6: Final answer
    x = 11,773,087.02

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1.5x scale

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.