Home / 30,378,193.13-41,922,034.34-16,439,548.91

Finding the Fourth Proportional to 30,378,193.13, 41,922,034.34 and 16,439,548.91

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Solution

The fourth proportional to 30,378,193.13, 41,922,034.34 and 16,439,548.91 is: 22,686,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,193.13 : 41,922,034.34 = 16,439,548.91 : x
  2. Step 2: Convert to fraction form
    30,378,193.13/41,922,034.34 = 16,439,548.91/x
  3. Step 3: Cross multiply
    30,378,193.13x = 41,922,034.34 × 16,439,548.91
  4. Step 4: Simplify right side
    30,378,193.13x = 689,179,333,647,321.62
  5. Step 5: Solve for x
    x = 689,179,333,647,321.62/30,378,193.13
  6. Step 6: Final answer
    x = 22,686,646.66

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1.5x scale

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.