Home / 21,923,543.19-30,252,439.67-13,101,243.69

Finding the Fourth Proportional to 21,923,543.19, 30,252,439.67 and 13,101,243.69

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Solution

The fourth proportional to 21,923,543.19, 30,252,439.67 and 13,101,243.69 is: 18,078,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,543.19 : 30,252,439.67 = 13,101,243.69 : x
  2. Step 2: Convert to fraction form
    21,923,543.19/30,252,439.67 = 13,101,243.69/x
  3. Step 3: Cross multiply
    21,923,543.19x = 30,252,439.67 × 13,101,243.69
  4. Step 4: Simplify right side
    21,923,543.19x = 396,344,584,268,186.94
  5. Step 5: Solve for x
    x = 396,344,584,268,186.94/21,923,543.19
  6. Step 6: Final answer
    x = 18,078,491.27

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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.