Home / 19,152,245.26-28,728,178.56-8,774,520.64

Finding the Fourth Proportional to 19,152,245.26, 28,728,178.56 and 8,774,520.64

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Solution

The fourth proportional to 19,152,245.26, 28,728,178.56 and 8,774,520.64 is: 13,161,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,245.26 : 28,728,178.56 = 8,774,520.64 : x
  2. Step 2: Convert to fraction form
    19,152,245.26/28,728,178.56 = 8,774,520.64/x
  3. Step 3: Cross multiply
    19,152,245.26x = 28,728,178.56 × 8,774,520.64
  4. Step 4: Simplify right side
    19,152,245.26x = 252,075,995,724,325.47
  5. Step 5: Solve for x
    x = 252,075,995,724,325.47/19,152,245.26
  6. Step 6: Final answer
    x = 13,161,694.22

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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.