Home / 19,432,864.80-29,161,738.80-11,345,824.80

Finding the Fourth Proportional to 19,432,864.80, 29,161,738.80 and 11,345,824.80

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Solution

The fourth proportional to 19,432,864.80, 29,161,738.80 and 11,345,824.80 is: 17,026,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,864.80 : 29,161,738.80 = 11,345,824.80 : x
  2. Step 2: Convert to fraction form
    19,432,864.80/29,161,738.80 = 11,345,824.80/x
  3. Step 3: Cross multiply
    19,432,864.80x = 29,161,738.80 × 11,345,824.80
  4. Step 4: Simplify right side
    19,432,864.80x = 330,863,979,288,162.25
  5. Step 5: Solve for x
    x = 330,863,979,288,162.25/19,432,864.80
  6. Step 6: Final answer
    x = 17,026,001.19

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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.