Home / 11,832,021.20-17,735,784.60-6,429,256.40

Finding the Fourth Proportional to 11,832,021.20, 17,735,784.60 and 6,429,256.40

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Solution

The fourth proportional to 11,832,021.20, 17,735,784.60 and 6,429,256.40 is: 9,637,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832,021.20 : 17,735,784.60 = 6,429,256.40 : x
  2. Step 2: Convert to fraction form
    11,832,021.20/17,735,784.60 = 6,429,256.40/x
  3. Step 3: Cross multiply
    11,832,021.20x = 17,735,784.60 × 6,429,256.40
  4. Step 4: Simplify right side
    11,832,021.20x = 114,027,906,648,571.45
  5. Step 5: Solve for x
    x = 114,027,906,648,571.45/11,832,021.20
  6. Step 6: Final answer
    x = 9,637,229.74

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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.