Home / 36,804,938.40-55,207,407.60-12,571,228.80

Finding the Fourth Proportional to 36,804,938.40, 55,207,407.60 and 12,571,228.80

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Solution

The fourth proportional to 36,804,938.40, 55,207,407.60 and 12,571,228.80 is: 18,856,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,804,938.40 : 55,207,407.60 = 12,571,228.80 : x
  2. Step 2: Convert to fraction form
    36,804,938.40/55,207,407.60 = 12,571,228.80/x
  3. Step 3: Cross multiply
    36,804,938.40x = 55,207,407.60 × 12,571,228.80
  4. Step 4: Simplify right side
    36,804,938.40x = 694,024,952,394,459
  5. Step 5: Solve for x
    x = 694,024,952,394,459/36,804,938.40
  6. Step 6: Final answer
    x = 18,856,843.20

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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.