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Finding the Fourth Proportional to 15,993,720.16, 22,071,884.88 and 8,750,376.16

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Solution

The fourth proportional to 15,993,720.16, 22,071,884.88 and 8,750,376.16 is: 12,075,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993,720.16 : 22,071,884.88 = 8,750,376.16 : x
  2. Step 2: Convert to fraction form
    15,993,720.16/22,071,884.88 = 8,750,376.16/x
  3. Step 3: Cross multiply
    15,993,720.16x = 22,071,884.88 × 8,750,376.16
  4. Step 4: Simplify right side
    15,993,720.16x = 193,137,295,260,216.47
  5. Step 5: Solve for x
    x = 193,137,295,260,216.47/15,993,720.16
  6. Step 6: Final answer
    x = 12,075,820.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.