Home / 9,294,749.20-13,942,123.80-8,664,893.20

Finding the Fourth Proportional to 9,294,749.20, 13,942,123.80 and 8,664,893.20

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Solution

The fourth proportional to 9,294,749.20, 13,942,123.80 and 8,664,893.20 is: 12,997,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294,749.20 : 13,942,123.80 = 8,664,893.20 : x
  2. Step 2: Convert to fraction form
    9,294,749.20/13,942,123.80 = 8,664,893.20/x
  3. Step 3: Cross multiply
    9,294,749.20x = 13,942,123.80 × 8,664,893.20
  4. Step 4: Simplify right side
    9,294,749.20x = 120,807,013,708,178.16
  5. Step 5: Solve for x
    x = 120,807,013,708,178.16/9,294,749.20
  6. Step 6: Final answer
    x = 12,997,339.80

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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.