Home / 14,215,178.06-19,615,286.94-8,020,322.87

Finding the Fourth Proportional to 14,215,178.06, 19,615,286.94 and 8,020,322.87

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Solution

The fourth proportional to 14,215,178.06, 19,615,286.94 and 8,020,322.87 is: 11,067,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,178.06 : 19,615,286.94 = 8,020,322.87 : x
  2. Step 2: Convert to fraction form
    14,215,178.06/19,615,286.94 = 8,020,322.87/x
  3. Step 3: Cross multiply
    14,215,178.06x = 19,615,286.94 × 8,020,322.87
  4. Step 4: Simplify right side
    14,215,178.06x = 157,320,934,318,341.69
  5. Step 5: Solve for x
    x = 157,320,934,318,341.69/14,215,178.06
  6. Step 6: Final answer
    x = 11,067,109.65

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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.