Home / 20,087,723.86-27,719,881.77-10,920,286.42

Finding the Fourth Proportional to 20,087,723.86, 27,719,881.77 and 10,920,286.42

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Solution

The fourth proportional to 20,087,723.86, 27,719,881.77 and 10,920,286.42 is: 15,069,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,723.86 : 27,719,881.77 = 10,920,286.42 : x
  2. Step 2: Convert to fraction form
    20,087,723.86/27,719,881.77 = 10,920,286.42/x
  3. Step 3: Cross multiply
    20,087,723.86x = 27,719,881.77 × 10,920,286.42
  4. Step 4: Simplify right side
    20,087,723.86x = 302,709,048,456,936.56
  5. Step 5: Solve for x
    x = 302,709,048,456,936.56/20,087,723.86
  6. Step 6: Final answer
    x = 15,069,355.32

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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.