Home / 19,415,833.20-29,123,749.80-18,219,106.80

Finding the Fourth Proportional to 19,415,833.20, 29,123,749.80 and 18,219,106.80

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Solution

The fourth proportional to 19,415,833.20, 29,123,749.80 and 18,219,106.80 is: 27,328,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,833.20 : 29,123,749.80 = 18,219,106.80 : x
  2. Step 2: Convert to fraction form
    19,415,833.20/29,123,749.80 = 18,219,106.80/x
  3. Step 3: Cross multiply
    19,415,833.20x = 29,123,749.80 × 18,219,106.80
  4. Step 4: Simplify right side
    19,415,833.20x = 530,608,708,022,678.69
  5. Step 5: Solve for x
    x = 530,608,708,022,678.69/19,415,833.20
  6. Step 6: Final answer
    x = 27,328,660.20

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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.