Home / 12,155,512.89-16,774,410.41-6,648,839.58

Finding the Fourth Proportional to 12,155,512.89, 16,774,410.41 and 6,648,839.58

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Solution

The fourth proportional to 12,155,512.89, 16,774,410.41 and 6,648,839.58 is: 9,175,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,512.89 : 16,774,410.41 = 6,648,839.58 : x
  2. Step 2: Convert to fraction form
    12,155,512.89/16,774,410.41 = 6,648,839.58/x
  3. Step 3: Cross multiply
    12,155,512.89x = 16,774,410.41 × 6,648,839.58
  4. Step 4: Simplify right side
    12,155,512.89x = 111,530,363,748,055.78
  5. Step 5: Solve for x
    x = 111,530,363,748,055.78/12,155,512.89
  6. Step 6: Final answer
    x = 9,175,290.65

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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.