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Finding the Fourth Proportional to 40,482,960.50, 60,724,366.90 and 13,189,221.01

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Solution

The fourth proportional to 40,482,960.50, 60,724,366.90 and 13,189,221.01 is: 19,783,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482,960.50 : 60,724,366.90 = 13,189,221.01 : x
  2. Step 2: Convert to fraction form
    40,482,960.50/60,724,366.90 = 13,189,221.01/x
  3. Step 3: Cross multiply
    40,482,960.50x = 60,724,366.90 × 13,189,221.01
  4. Step 4: Simplify right side
    40,482,960.50x = 800,907,095,366,860.75
  5. Step 5: Solve for x
    x = 800,907,095,366,860.75/40,482,960.50
  6. Step 6: Final answer
    x = 19,783,807.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.