Home / 19,119,868.20-28,679,802.30-17,608,213.80

Finding the Fourth Proportional to 19,119,868.20, 28,679,802.30 and 17,608,213.80

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Solution

The fourth proportional to 19,119,868.20, 28,679,802.30 and 17,608,213.80 is: 26,412,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,868.20 : 28,679,802.30 = 17,608,213.80 : x
  2. Step 2: Convert to fraction form
    19,119,868.20/28,679,802.30 = 17,608,213.80/x
  3. Step 3: Cross multiply
    19,119,868.20x = 28,679,802.30 × 17,608,213.80
  4. Step 4: Simplify right side
    19,119,868.20x = 505,000,090,640,131.75
  5. Step 5: Solve for x
    x = 505,000,090,640,131.75/19,119,868.20
  6. Step 6: Final answer
    x = 26,412,320.70

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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.