Home / 30,505,863.34-42,097,947.62-16,567,120.90

Finding the Fourth Proportional to 30,505,863.34, 42,097,947.62 and 16,567,120.90

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Solution

The fourth proportional to 30,505,863.34, 42,097,947.62 and 16,567,120.90 is: 22,862,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,863.34 : 42,097,947.62 = 16,567,120.90 : x
  2. Step 2: Convert to fraction form
    30,505,863.34/42,097,947.62 = 16,567,120.90/x
  3. Step 3: Cross multiply
    30,505,863.34x = 42,097,947.62 × 16,567,120.90
  4. Step 4: Simplify right side
    30,505,863.34x = 697,441,787,862,407.25
  5. Step 5: Solve for x
    x = 697,441,787,862,407.25/30,505,863.34
  6. Step 6: Final answer
    x = 22,862,548.75

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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.