Home / 12,952,218.60-19,430,660.70-5,379,949.80

Finding the Fourth Proportional to 12,952,218.60, 19,430,660.70 and 5,379,949.80

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Solution

The fourth proportional to 12,952,218.60, 19,430,660.70 and 5,379,949.80 is: 8,070,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,218.60 : 19,430,660.70 = 5,379,949.80 : x
  2. Step 2: Convert to fraction form
    12,952,218.60/19,430,660.70 = 5,379,949.80/x
  3. Step 3: Cross multiply
    12,952,218.60x = 19,430,660.70 × 5,379,949.80
  4. Step 4: Simplify right side
    12,952,218.60x = 104,535,979,146,832.86
  5. Step 5: Solve for x
    x = 104,535,979,146,832.86/12,952,218.60
  6. Step 6: Final answer
    x = 8,070,893.67

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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.