Home / 9,339,212.64-12,887,558.20-5,418,665.04

Finding the Fourth Proportional to 9,339,212.64, 12,887,558.20 and 5,418,665.04

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Solution

The fourth proportional to 9,339,212.64, 12,887,558.20 and 5,418,665.04 is: 7,477,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,212.64 : 12,887,558.20 = 5,418,665.04 : x
  2. Step 2: Convert to fraction form
    9,339,212.64/12,887,558.20 = 5,418,665.04/x
  3. Step 3: Cross multiply
    9,339,212.64x = 12,887,558.20 × 5,418,665.04
  4. Step 4: Simplify right side
    9,339,212.64x = 69,833,361,069,305.33
  5. Step 5: Solve for x
    x = 69,833,361,069,305.33/9,339,212.64
  6. Step 6: Final answer
    x = 7,477,435.60

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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.