Home / 12,951,994.60-19,430,324.70-5,379,725.80

Finding the Fourth Proportional to 12,951,994.60, 19,430,324.70 and 5,379,725.80

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Solution

The fourth proportional to 12,951,994.60, 19,430,324.70 and 5,379,725.80 is: 8,070,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,994.60 : 19,430,324.70 = 5,379,725.80 : x
  2. Step 2: Convert to fraction form
    12,951,994.60/19,430,324.70 = 5,379,725.80/x
  3. Step 3: Cross multiply
    12,951,994.60x = 19,430,324.70 × 5,379,725.80
  4. Step 4: Simplify right side
    12,951,994.60x = 104,529,819,090,967.25
  5. Step 5: Solve for x
    x = 104,529,819,090,967.25/12,951,994.60
  6. Step 6: Final answer
    x = 8,070,557.65

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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.