Home / 18,305,709.56-27,296,831.30-18,141,405.72

Finding the Fourth Proportional to 18,305,709.56, 27,296,831.30 and 18,141,405.72

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Solution

The fourth proportional to 18,305,709.56, 27,296,831.30 and 18,141,405.72 is: 27,051,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305,709.56 : 27,296,831.30 = 18,141,405.72 : x
  2. Step 2: Convert to fraction form
    18,305,709.56/27,296,831.30 = 18,141,405.72/x
  3. Step 3: Cross multiply
    18,305,709.56x = 27,296,831.30 × 18,141,405.72
  4. Step 4: Simplify right side
    18,305,709.56x = 495,202,891,483,695
  5. Step 5: Solve for x
    x = 495,202,891,483,695/18,305,709.56
  6. Step 6: Final answer
    x = 27,051,827.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.