Home / 30,754,563.80-46,132,392.45-9,189,431.60

Finding the Fourth Proportional to 30,754,563.80, 46,132,392.45 and 9,189,431.60

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Solution

The fourth proportional to 30,754,563.80, 46,132,392.45 and 9,189,431.60 is: 13,784,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754,563.80 : 46,132,392.45 = 9,189,431.60 : x
  2. Step 2: Convert to fraction form
    30,754,563.80/46,132,392.45 = 9,189,431.60/x
  3. Step 3: Cross multiply
    30,754,563.80x = 46,132,392.45 × 9,189,431.60
  4. Step 4: Simplify right side
    30,754,563.80x = 423,930,464,963,631.44
  5. Step 5: Solve for x
    x = 423,930,464,963,631.44/30,754,563.80
  6. Step 6: Final answer
    x = 13,784,310.77

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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.