Home / 12,224,945.60-18,307,150.98-8,978,785.64

Finding the Fourth Proportional to 12,224,945.60, 18,307,150.98 and 8,978,785.64

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Solution

The fourth proportional to 12,224,945.60, 18,307,150.98 and 8,978,785.64 is: 13,445,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,945.60 : 18,307,150.98 = 8,978,785.64 : x
  2. Step 2: Convert to fraction form
    12,224,945.60/18,307,150.98 = 8,978,785.64/x
  3. Step 3: Cross multiply
    12,224,945.60x = 18,307,150.98 × 8,978,785.64
  4. Step 4: Simplify right side
    12,224,945.60x = 164,375,984,374,959.28
  5. Step 5: Solve for x
    x = 164,375,984,374,959.28/12,224,945.60
  6. Step 6: Final answer
    x = 13,445,948.13

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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.