Home / 19,128,466.92-28,692,829.32-6,992,937.84

Finding the Fourth Proportional to 19,128,466.92, 28,692,829.32 and 6,992,937.84

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Solution

The fourth proportional to 19,128,466.92, 28,692,829.32 and 6,992,937.84 is: 10,489,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,466.92 : 28,692,829.32 = 6,992,937.84 : x
  2. Step 2: Convert to fraction form
    19,128,466.92/28,692,829.32 = 6,992,937.84/x
  3. Step 3: Cross multiply
    19,128,466.92x = 28,692,829.32 × 6,992,937.84
  4. Step 4: Simplify right side
    19,128,466.92x = 200,647,171,888,489.47
  5. Step 5: Solve for x
    x = 200,647,171,888,489.47/19,128,466.92
  6. Step 6: Final answer
    x = 10,489,453.90

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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.