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Finding the Fourth Proportional to 29,898,676.80, 44,848,015.20 and 29,331,806.40

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Solution

The fourth proportional to 29,898,676.80, 44,848,015.20 and 29,331,806.40 is: 43,997,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,898,676.80 : 44,848,015.20 = 29,331,806.40 : x
  2. Step 2: Convert to fraction form
    29,898,676.80/44,848,015.20 = 29,331,806.40/x
  3. Step 3: Cross multiply
    29,898,676.80x = 44,848,015.20 × 29,331,806.40
  4. Step 4: Simplify right side
    29,898,676.80x = 1,315,473,299,270,657.25
  5. Step 5: Solve for x
    x = 1,315,473,299,270,657.25/29,898,676.80
  6. Step 6: Final answer
    x = 43,997,709.60

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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.