Home / 16,089,657.86-22,203,260.52-9,120,981.80

Finding the Fourth Proportional to 16,089,657.86, 22,203,260.52 and 9,120,981.80

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Solution

The fourth proportional to 16,089,657.86, 22,203,260.52 and 9,120,981.80 is: 12,586,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,089,657.86 : 22,203,260.52 = 9,120,981.80 : x
  2. Step 2: Convert to fraction form
    16,089,657.86/22,203,260.52 = 9,120,981.80/x
  3. Step 3: Cross multiply
    16,089,657.86x = 22,203,260.52 × 9,120,981.80
  4. Step 4: Simplify right side
    16,089,657.86x = 202,515,535,103,578.56
  5. Step 5: Solve for x
    x = 202,515,535,103,578.56/16,089,657.86
  6. Step 6: Final answer
    x = 12,586,689.96

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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.