Home / 13,454,543.77-20,189,648.50-5,672,970.09

Finding the Fourth Proportional to 13,454,543.77, 20,189,648.50 and 5,672,970.09

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Solution

The fourth proportional to 13,454,543.77, 20,189,648.50 and 5,672,970.09 is: 8,512,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,543.77 : 20,189,648.50 = 5,672,970.09 : x
  2. Step 2: Convert to fraction form
    13,454,543.77/20,189,648.50 = 5,672,970.09/x
  3. Step 3: Cross multiply
    13,454,543.77x = 20,189,648.50 × 5,672,970.09
  4. Step 4: Simplify right side
    13,454,543.77x = 114,535,272,053,930.92
  5. Step 5: Solve for x
    x = 114,535,272,053,930.92/13,454,543.77
  6. Step 6: Final answer
    x = 8,512,757.77

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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.