Home / 19,152,213.40-28,728,320.10-17,388,616.60

Finding the Fourth Proportional to 19,152,213.40, 28,728,320.10 and 17,388,616.60

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Solution

The fourth proportional to 19,152,213.40, 28,728,320.10 and 17,388,616.60 is: 26,082,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,213.40 : 28,728,320.10 = 17,388,616.60 : x
  2. Step 2: Convert to fraction form
    19,152,213.40/28,728,320.10 = 17,388,616.60/x
  3. Step 3: Cross multiply
    19,152,213.40x = 28,728,320.10 × 17,388,616.60
  4. Step 4: Simplify right side
    19,152,213.40x = 499,545,743,780,973.75
  5. Step 5: Solve for x
    x = 499,545,743,780,973.75/19,152,213.40
  6. Step 6: Final answer
    x = 26,082,924.90

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1.5x scale

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.