Home / 18,802,769.59-28,206,665.12-7,440,561.01

Finding the Fourth Proportional to 18,802,769.59, 28,206,665.12 and 7,440,561.01

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Solution

The fourth proportional to 18,802,769.59, 28,206,665.12 and 7,440,561.01 is: 11,161,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,769.59 : 28,206,665.12 = 7,440,561.01 : x
  2. Step 2: Convert to fraction form
    18,802,769.59/28,206,665.12 = 7,440,561.01/x
  3. Step 3: Cross multiply
    18,802,769.59x = 28,206,665.12 × 7,440,561.01
  4. Step 4: Simplify right side
    18,802,769.59x = 209,873,412,713,998.97
  5. Step 5: Solve for x
    x = 209,873,412,713,998.97/18,802,769.59
  6. Step 6: Final answer
    x = 11,161,835.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.