Home / 13,445,998.70-20,144,941.05-8,178,244.70

Finding the Fourth Proportional to 13,445,998.70, 20,144,941.05 and 8,178,244.70

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Solution

The fourth proportional to 13,445,998.70, 20,144,941.05 and 8,178,244.70 is: 12,252,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,998.70 : 20,144,941.05 = 8,178,244.70 : x
  2. Step 2: Convert to fraction form
    13,445,998.70/20,144,941.05 = 8,178,244.70/x
  3. Step 3: Cross multiply
    13,445,998.70x = 20,144,941.05 × 8,178,244.70
  4. Step 4: Simplify right side
    13,445,998.70x = 164,750,257,373,974.94
  5. Step 5: Solve for x
    x = 164,750,257,373,974.94/13,445,998.70
  6. Step 6: Final answer
    x = 12,252,734.89

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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.