Home / 13,500,565.24-18,630,892.71-7,922,147.44

Finding the Fourth Proportional to 13,500,565.24, 18,630,892.71 and 7,922,147.44

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Solution

The fourth proportional to 13,500,565.24, 18,630,892.71 and 7,922,147.44 is: 10,932,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,565.24 : 18,630,892.71 = 7,922,147.44 : x
  2. Step 2: Convert to fraction form
    13,500,565.24/18,630,892.71 = 7,922,147.44/x
  3. Step 3: Cross multiply
    13,500,565.24x = 18,630,892.71 × 7,922,147.44
  4. Step 4: Simplify right side
    13,500,565.24x = 147,596,678,854,675.94
  5. Step 5: Solve for x
    x = 147,596,678,854,675.94/13,500,565.24
  6. Step 6: Final answer
    x = 10,932,629.58

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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.