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Finding the Fourth Proportional to 36,694,578.80, 55,041,868.20 and 15,118,074.20

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Solution

The fourth proportional to 36,694,578.80, 55,041,868.20 and 15,118,074.20 is: 22,677,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694,578.80 : 55,041,868.20 = 15,118,074.20 : x
  2. Step 2: Convert to fraction form
    36,694,578.80/55,041,868.20 = 15,118,074.20/x
  3. Step 3: Cross multiply
    36,694,578.80x = 55,041,868.20 × 15,118,074.20
  4. Step 4: Simplify right side
    36,694,578.80x = 832,127,047,554,220.50
  5. Step 5: Solve for x
    x = 832,127,047,554,220.50/36,694,578.80
  6. Step 6: Final answer
    x = 22,677,111.30

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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.