Home / 19,405,770.40-29,085,327.60-8,040,368.80

Finding the Fourth Proportional to 19,405,770.40, 29,085,327.60 and 8,040,368.80

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Solution

The fourth proportional to 19,405,770.40, 29,085,327.60 and 8,040,368.80 is: 12,050,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405,770.40 : 29,085,327.60 = 8,040,368.80 : x
  2. Step 2: Convert to fraction form
    19,405,770.40/29,085,327.60 = 8,040,368.80/x
  3. Step 3: Cross multiply
    19,405,770.40x = 29,085,327.60 × 8,040,368.80
  4. Step 4: Simplify right side
    19,405,770.40x = 233,856,760,572,818.88
  5. Step 5: Solve for x
    x = 233,856,760,572,818.88/19,405,770.40
  6. Step 6: Final answer
    x = 12,050,887.74

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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.