Home / 19,252,020.31-28,906,879.15-16,666,301.51

Finding the Fourth Proportional to 19,252,020.31, 28,906,879.15 and 16,666,301.51

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Solution

The fourth proportional to 19,252,020.31, 28,906,879.15 and 16,666,301.51 is: 25,024,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252,020.31 : 28,906,879.15 = 16,666,301.51 : x
  2. Step 2: Convert to fraction form
    19,252,020.31/28,906,879.15 = 16,666,301.51/x
  3. Step 3: Cross multiply
    19,252,020.31x = 28,906,879.15 × 16,666,301.51
  4. Step 4: Simplify right side
    19,252,020.31x = 481,770,763,611,731.81
  5. Step 5: Solve for x
    x = 481,770,763,611,731.81/19,252,020.31
  6. Step 6: Final answer
    x = 25,024,426.31

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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.