Home / 15,483,921.04-21,365,466.72-8,867,480.56

Finding the Fourth Proportional to 15,483,921.04, 21,365,466.72 and 8,867,480.56

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Solution

The fourth proportional to 15,483,921.04, 21,365,466.72 and 8,867,480.56 is: 12,235,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483,921.04 : 21,365,466.72 = 8,867,480.56 : x
  2. Step 2: Convert to fraction form
    15,483,921.04/21,365,466.72 = 8,867,480.56/x
  3. Step 3: Cross multiply
    15,483,921.04x = 21,365,466.72 × 8,867,480.56
  4. Step 4: Simplify right side
    15,483,921.04x = 189,457,860,794,926.97
  5. Step 5: Solve for x
    x = 189,457,860,794,926.97/15,483,921.04
  6. Step 6: Final answer
    x = 12,235,780.61

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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.