Home / 30,474,165.50-42,052,277.94-16,724,015.36

Finding the Fourth Proportional to 30,474,165.50, 42,052,277.94 and 16,724,015.36

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Solution

The fourth proportional to 30,474,165.50, 42,052,277.94 and 16,724,015.36 is: 23,078,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474,165.50 : 42,052,277.94 = 16,724,015.36 : x
  2. Step 2: Convert to fraction form
    30,474,165.50/42,052,277.94 = 16,724,015.36/x
  3. Step 3: Cross multiply
    30,474,165.50x = 42,052,277.94 × 16,724,015.36
  4. Step 4: Simplify right side
    30,474,165.50x = 703,282,941,981,287.75
  5. Step 5: Solve for x
    x = 703,282,941,981,287.75/30,474,165.50
  6. Step 6: Final answer
    x = 23,078,004.94

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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.