Home / 13,911,268.45-20,860,813.24-5,708,282.86

Finding the Fourth Proportional to 13,911,268.45, 20,860,813.24 and 5,708,282.86

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Solution

The fourth proportional to 13,911,268.45, 20,860,813.24 and 5,708,282.86 is: 8,559,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911,268.45 : 20,860,813.24 = 5,708,282.86 : x
  2. Step 2: Convert to fraction form
    13,911,268.45/20,860,813.24 = 5,708,282.86/x
  3. Step 3: Cross multiply
    13,911,268.45x = 20,860,813.24 × 5,708,282.86
  4. Step 4: Simplify right side
    13,911,268.45x = 119,079,422,663,553.06
  5. Step 5: Solve for x
    x = 119,079,422,663,553.06/13,911,268.45
  6. Step 6: Final answer
    x = 8,559,925.58

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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.