Home / 21,985,883.40-32,963,078.70-9,199,806.60

Finding the Fourth Proportional to 21,985,883.40, 32,963,078.70 and 9,199,806.60

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Solution

The fourth proportional to 21,985,883.40, 32,963,078.70 and 9,199,806.60 is: 13,793,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,883.40 : 32,963,078.70 = 9,199,806.60 : x
  2. Step 2: Convert to fraction form
    21,985,883.40/32,963,078.70 = 9,199,806.60/x
  3. Step 3: Cross multiply
    21,985,883.40x = 32,963,078.70 × 9,199,806.60
  4. Step 4: Simplify right side
    21,985,883.40x = 303,253,948,980,579.38
  5. Step 5: Solve for x
    x = 303,253,948,980,579.38/21,985,883.40
  6. Step 6: Final answer
    x = 13,793,120.95

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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.