Home / 20,322,210.60-28,044,968.58-11,155,689

Finding the Fourth Proportional to 20,322,210.60, 28,044,968.58 and 11,155,689

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Solution

The fourth proportional to 20,322,210.60, 28,044,968.58 and 11,155,689 is: 15,395,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,210.60 : 28,044,968.58 = 11,155,689 : x
  2. Step 2: Convert to fraction form
    20,322,210.60/28,044,968.58 = 11,155,689/x
  3. Step 3: Cross multiply
    20,322,210.60x = 28,044,968.58 × 11,155,689
  4. Step 4: Simplify right side
    20,322,210.60x = 312,860,947,493,251.62
  5. Step 5: Solve for x
    x = 312,860,947,493,251.62/20,322,210.60
  6. Step 6: Final answer
    x = 15,395,025.36

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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.