Home / 19,415,548.20-29,123,322.30-18,218,821.80

Finding the Fourth Proportional to 19,415,548.20, 29,123,322.30 and 18,218,821.80

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Solution

The fourth proportional to 19,415,548.20, 29,123,322.30 and 18,218,821.80 is: 27,328,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,548.20 : 29,123,322.30 = 18,218,821.80 : x
  2. Step 2: Convert to fraction form
    19,415,548.20/29,123,322.30 = 18,218,821.80/x
  3. Step 3: Cross multiply
    19,415,548.20x = 29,123,322.30 × 18,218,821.80
  4. Step 4: Simplify right side
    19,415,548.20x = 530,592,619,207,666.19
  5. Step 5: Solve for x
    x = 530,592,619,207,666.19/19,415,548.20
  6. Step 6: Final answer
    x = 27,328,232.70

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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.