Home / 11,509,453.76-15,883,047.54-6,352,816.72

Finding the Fourth Proportional to 11,509,453.76, 15,883,047.54 and 6,352,816.72

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Solution

The fourth proportional to 11,509,453.76, 15,883,047.54 and 6,352,816.72 is: 8,766,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509,453.76 : 15,883,047.54 = 6,352,816.72 : x
  2. Step 2: Convert to fraction form
    11,509,453.76/15,883,047.54 = 6,352,816.72/x
  3. Step 3: Cross multiply
    11,509,453.76x = 15,883,047.54 × 6,352,816.72
  4. Step 4: Simplify right side
    11,509,453.76x = 100,902,089,976,666.86
  5. Step 5: Solve for x
    x = 100,902,089,976,666.86/11,509,453.76
  6. Step 6: Final answer
    x = 8,766,887.82

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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.