Home / 21,999,266.94-30,358,531.71-12,209,142.54

Finding the Fourth Proportional to 21,999,266.94, 30,358,531.71 and 12,209,142.54

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Solution

The fourth proportional to 21,999,266.94, 30,358,531.71 and 12,209,142.54 is: 16,848,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,266.94 : 30,358,531.71 = 12,209,142.54 : x
  2. Step 2: Convert to fraction form
    21,999,266.94/30,358,531.71 = 12,209,142.54/x
  3. Step 3: Cross multiply
    21,999,266.94x = 30,358,531.71 × 12,209,142.54
  4. Step 4: Simplify right side
    21,999,266.94x = 370,651,640,952,499.94
  5. Step 5: Solve for x
    x = 370,651,640,952,499.94/21,999,266.94
  6. Step 6: Final answer
    x = 16,848,363.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.