Home / 19,586,494.80-29,379,742.20-19,474,520.40

Finding the Fourth Proportional to 19,586,494.80, 29,379,742.20 and 19,474,520.40

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Solution

The fourth proportional to 19,586,494.80, 29,379,742.20 and 19,474,520.40 is: 29,211,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,494.80 : 29,379,742.20 = 19,474,520.40 : x
  2. Step 2: Convert to fraction form
    19,586,494.80/29,379,742.20 = 19,474,520.40/x
  3. Step 3: Cross multiply
    19,586,494.80x = 29,379,742.20 × 19,474,520.40
  4. Step 4: Simplify right side
    19,586,494.80x = 572,156,388,820,640.88
  5. Step 5: Solve for x
    x = 572,156,388,820,640.88/19,586,494.80
  6. Step 6: Final answer
    x = 29,211,780.60

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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.