Home / 30,281,748.80-45,422,623.20-27,943,408.40

Finding the Fourth Proportional to 30,281,748.80, 45,422,623.20 and 27,943,408.40

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Solution

The fourth proportional to 30,281,748.80, 45,422,623.20 and 27,943,408.40 is: 41,915,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,748.80 : 45,422,623.20 = 27,943,408.40 : x
  2. Step 2: Convert to fraction form
    30,281,748.80/45,422,623.20 = 27,943,408.40/x
  3. Step 3: Cross multiply
    30,281,748.80x = 45,422,623.20 × 27,943,408.40
  4. Step 4: Simplify right side
    30,281,748.80x = 1,269,262,910,676,915
  5. Step 5: Solve for x
    x = 1,269,262,910,676,915/30,281,748.80
  6. Step 6: Final answer
    x = 41,915,112.60

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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.