Home / 14,200,916.60-21,288,933.30-8,515,105.40

Finding the Fourth Proportional to 14,200,916.60, 21,288,933.30 and 8,515,105.40

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Solution

The fourth proportional to 14,200,916.60, 21,288,933.30 and 8,515,105.40 is: 12,765,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,916.60 : 21,288,933.30 = 8,515,105.40 : x
  2. Step 2: Convert to fraction form
    14,200,916.60/21,288,933.30 = 8,515,105.40/x
  3. Step 3: Cross multiply
    14,200,916.60x = 21,288,933.30 × 8,515,105.40
  4. Step 4: Simplify right side
    14,200,916.60x = 181,277,510,903,069.84
  5. Step 5: Solve for x
    x = 181,277,510,903,069.84/14,200,916.60
  6. Step 6: Final answer
    x = 12,765,197.91

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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.