Home / 19,003,578.40-28,505,100.30-4,626,677.80

Finding the Fourth Proportional to 19,003,578.40, 28,505,100.30 and 4,626,677.80

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Solution

The fourth proportional to 19,003,578.40, 28,505,100.30 and 4,626,677.80 is: 6,939,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003,578.40 : 28,505,100.30 = 4,626,677.80 : x
  2. Step 2: Convert to fraction form
    19,003,578.40/28,505,100.30 = 4,626,677.80/x
  3. Step 3: Cross multiply
    19,003,578.40x = 28,505,100.30 × 4,626,677.80
  4. Step 4: Simplify right side
    19,003,578.40x = 131,883,914,744,783.34
  5. Step 5: Solve for x
    x = 131,883,914,744,783.34/19,003,578.40
  6. Step 6: Final answer
    x = 6,939,951.62

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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.