Home / 30,281,860.80-45,422,791.20-27,943,520.40

Finding the Fourth Proportional to 30,281,860.80, 45,422,791.20 and 27,943,520.40

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Solution

The fourth proportional to 30,281,860.80, 45,422,791.20 and 27,943,520.40 is: 41,915,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,860.80 : 45,422,791.20 = 27,943,520.40 : x
  2. Step 2: Convert to fraction form
    30,281,860.80/45,422,791.20 = 27,943,520.40/x
  3. Step 3: Cross multiply
    30,281,860.80x = 45,422,791.20 × 27,943,520.40
  4. Step 4: Simplify right side
    30,281,860.80x = 1,269,272,692,522,140.50
  5. Step 5: Solve for x
    x = 1,269,272,692,522,140.50/30,281,860.80
  6. Step 6: Final answer
    x = 41,915,280.60

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1.5x scale

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.