Home / 30,378,003.37-41,921,750.52-16,439,355

Finding the Fourth Proportional to 30,378,003.37, 41,921,750.52 and 16,439,355

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Solution

The fourth proportional to 30,378,003.37, 41,921,750.52 and 16,439,355 is: 22,686,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,003.37 : 41,921,750.52 = 16,439,355 : x
  2. Step 2: Convert to fraction form
    30,378,003.37/41,921,750.52 = 16,439,355/x
  3. Step 3: Cross multiply
    30,378,003.37x = 41,921,750.52 × 16,439,355
  4. Step 4: Simplify right side
    30,378,003.37x = 689,166,539,019,714.62
  5. Step 5: Solve for x
    x = 689,166,539,019,714.62/30,378,003.37
  6. Step 6: Final answer
    x = 22,686,367.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.