Home / 22,891,992.08-31,590,941.75-12,579,379.47

Finding the Fourth Proportional to 22,891,992.08, 31,590,941.75 and 12,579,379.47

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Solution

The fourth proportional to 22,891,992.08, 31,590,941.75 and 12,579,379.47 is: 17,359,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891,992.08 : 31,590,941.75 = 12,579,379.47 : x
  2. Step 2: Convert to fraction form
    22,891,992.08/31,590,941.75 = 12,579,379.47/x
  3. Step 3: Cross multiply
    22,891,992.08x = 31,590,941.75 × 12,579,379.47
  4. Step 4: Simplify right side
    22,891,992.08x = 397,394,444,072,191.69
  5. Step 5: Solve for x
    x = 397,394,444,072,191.69/22,891,992.08
  6. Step 6: Final answer
    x = 17,359,539.65

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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.