Home / 27,362,891.60-41,017,265.40-12,960,645.20

Finding the Fourth Proportional to 27,362,891.60, 41,017,265.40 and 12,960,645.20

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Solution

The fourth proportional to 27,362,891.60, 41,017,265.40 and 12,960,645.20 is: 19,428,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,362,891.60 : 41,017,265.40 = 12,960,645.20 : x
  2. Step 2: Convert to fraction form
    27,362,891.60/41,017,265.40 = 12,960,645.20/x
  3. Step 3: Cross multiply
    27,362,891.60x = 41,017,265.40 × 12,960,645.20
  4. Step 4: Simplify right side
    27,362,891.60x = 531,610,223,923,636
  5. Step 5: Solve for x
    x = 531,610,223,923,636/27,362,891.60
  6. Step 6: Final answer
    x = 19,428,144.94

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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.