Home / 12,180,853.40-18,273,584.45-4,894,880.33

Finding the Fourth Proportional to 12,180,853.40, 18,273,584.45 and 4,894,880.33

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Solution

The fourth proportional to 12,180,853.40, 18,273,584.45 and 4,894,880.33 is: 7,343,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,853.40 : 18,273,584.45 = 4,894,880.33 : x
  2. Step 2: Convert to fraction form
    12,180,853.40/18,273,584.45 = 4,894,880.33/x
  3. Step 3: Cross multiply
    12,180,853.40x = 18,273,584.45 × 4,894,880.33
  4. Step 4: Simplify right side
    12,180,853.40x = 89,447,008,967,056.55
  5. Step 5: Solve for x
    x = 89,447,008,967,056.55/12,180,853.40
  6. Step 6: Final answer
    x = 7,343,246.49

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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.