Home / 11,145,762.80-16,718,644.20-9,445,151.60

Finding the Fourth Proportional to 11,145,762.80, 16,718,644.20 and 9,445,151.60

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Solution

The fourth proportional to 11,145,762.80, 16,718,644.20 and 9,445,151.60 is: 14,167,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145,762.80 : 16,718,644.20 = 9,445,151.60 : x
  2. Step 2: Convert to fraction form
    11,145,762.80/16,718,644.20 = 9,445,151.60/x
  3. Step 3: Cross multiply
    11,145,762.80x = 16,718,644.20 × 9,445,151.60
  4. Step 4: Simplify right side
    11,145,762.80x = 157,910,129,015,460.72
  5. Step 5: Solve for x
    x = 157,910,129,015,460.72/11,145,762.80
  6. Step 6: Final answer
    x = 14,167,727.40

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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.