Home / 30,281,843.80-45,422,765.70-27,943,503.40

Finding the Fourth Proportional to 30,281,843.80, 45,422,765.70 and 27,943,503.40

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Solution

The fourth proportional to 30,281,843.80, 45,422,765.70 and 27,943,503.40 is: 41,915,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,843.80 : 45,422,765.70 = 27,943,503.40 : x
  2. Step 2: Convert to fraction form
    30,281,843.80/45,422,765.70 = 27,943,503.40/x
  3. Step 3: Cross multiply
    30,281,843.80x = 45,422,765.70 × 27,943,503.40
  4. Step 4: Simplify right side
    30,281,843.80x = 1,269,271,207,775,353.50
  5. Step 5: Solve for x
    x = 1,269,271,207,775,353.50/30,281,843.80
  6. Step 6: Final answer
    x = 41,915,255.10

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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.