Home / 15,577,183.86-21,496,412.25-8,701,605.78

Finding the Fourth Proportional to 15,577,183.86, 21,496,412.25 and 8,701,605.78

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Solution

The fourth proportional to 15,577,183.86, 21,496,412.25 and 8,701,605.78 is: 12,008,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577,183.86 : 21,496,412.25 = 8,701,605.78 : x
  2. Step 2: Convert to fraction form
    15,577,183.86/21,496,412.25 = 8,701,605.78/x
  3. Step 3: Cross multiply
    15,577,183.86x = 21,496,412.25 × 8,701,605.78
  4. Step 4: Simplify right side
    15,577,183.86x = 187,053,305,083,862.78
  5. Step 5: Solve for x
    x = 187,053,305,083,862.78/15,577,183.86
  6. Step 6: Final answer
    x = 12,008,159.29

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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.