Home / 27,485,643.40-41,228,465.10-19,423,486.60

Finding the Fourth Proportional to 27,485,643.40, 41,228,465.10 and 19,423,486.60

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Solution

The fourth proportional to 27,485,643.40, 41,228,465.10 and 19,423,486.60 is: 29,135,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485,643.40 : 41,228,465.10 = 19,423,486.60 : x
  2. Step 2: Convert to fraction form
    27,485,643.40/41,228,465.10 = 19,423,486.60/x
  3. Step 3: Cross multiply
    27,485,643.40x = 41,228,465.10 × 19,423,486.60
  4. Step 4: Simplify right side
    27,485,643.40x = 800,800,539,408,417.75
  5. Step 5: Solve for x
    x = 800,800,539,408,417.75/27,485,643.40
  6. Step 6: Final answer
    x = 29,135,229.90

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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.