Home / 12,793,894-19,188,011.16-3,694,016.80

Finding the Fourth Proportional to 12,793,894, 19,188,011.16 and 3,694,016.80

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Solution

The fourth proportional to 12,793,894, 19,188,011.16 and 3,694,016.80 is: 5,540,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,894 : 19,188,011.16 = 3,694,016.80 : x
  2. Step 2: Convert to fraction form
    12,793,894/19,188,011.16 = 3,694,016.80/x
  3. Step 3: Cross multiply
    12,793,894x = 19,188,011.16 × 3,694,016.80
  4. Step 4: Simplify right side
    12,793,894x = 70,880,835,583,627.48
  5. Step 5: Solve for x
    x = 70,880,835,583,627.48/12,793,894
  6. Step 6: Final answer
    x = 5,540,208.13

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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.