Home / 19,218,018.23-26,520,864.89-10,516,190.59

Finding the Fourth Proportional to 19,218,018.23, 26,520,864.89 and 10,516,190.59

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Solution

The fourth proportional to 19,218,018.23, 26,520,864.89 and 10,516,190.59 is: 14,512,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,018.23 : 26,520,864.89 = 10,516,190.59 : x
  2. Step 2: Convert to fraction form
    19,218,018.23/26,520,864.89 = 10,516,190.59/x
  3. Step 3: Cross multiply
    19,218,018.23x = 26,520,864.89 × 10,516,190.59
  4. Step 4: Simplify right side
    19,218,018.23x = 278,898,469,609,694.16
  5. Step 5: Solve for x
    x = 278,898,469,609,694.16/19,218,018.23
  6. Step 6: Final answer
    x = 14,512,342.86

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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.