Home / 19,152,207.90-28,728,311.85-17,388,611.10

Finding the Fourth Proportional to 19,152,207.90, 28,728,311.85 and 17,388,611.10

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Solution

The fourth proportional to 19,152,207.90, 28,728,311.85 and 17,388,611.10 is: 26,082,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,207.90 : 28,728,311.85 = 17,388,611.10 : x
  2. Step 2: Convert to fraction form
    19,152,207.90/28,728,311.85 = 17,388,611.10/x
  3. Step 3: Cross multiply
    19,152,207.90x = 28,728,311.85 × 17,388,611.10
  4. Step 4: Simplify right side
    19,152,207.90x = 499,545,442,319,171.62
  5. Step 5: Solve for x
    x = 499,545,442,319,171.62/19,152,207.90
  6. Step 6: Final answer
    x = 26,082,916.65

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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.