Home / 15,772,798.86-21,766,453.26-8,529,454.86

Finding the Fourth Proportional to 15,772,798.86, 21,766,453.26 and 8,529,454.86

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Solution

The fourth proportional to 15,772,798.86, 21,766,453.26 and 8,529,454.86 is: 11,770,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,798.86 : 21,766,453.26 = 8,529,454.86 : x
  2. Step 2: Convert to fraction form
    15,772,798.86/21,766,453.26 = 8,529,454.86/x
  3. Step 3: Cross multiply
    15,772,798.86x = 21,766,453.26 × 8,529,454.86
  4. Step 4: Simplify right side
    15,772,798.86x = 185,655,980,543,469.84
  5. Step 5: Solve for x
    x = 185,655,980,543,469.84/15,772,798.86
  6. Step 6: Final answer
    x = 11,770,642.75

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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.