Home / 21,303,080.10-31,954,620.15-13,650,329.70

Finding the Fourth Proportional to 21,303,080.10, 31,954,620.15 and 13,650,329.70

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Solution

The fourth proportional to 21,303,080.10, 31,954,620.15 and 13,650,329.70 is: 20,475,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,080.10 : 31,954,620.15 = 13,650,329.70 : x
  2. Step 2: Convert to fraction form
    21,303,080.10/31,954,620.15 = 13,650,329.70/x
  3. Step 3: Cross multiply
    21,303,080.10x = 31,954,620.15 × 13,650,329.70
  4. Step 4: Simplify right side
    21,303,080.10x = 436,191,100,485,763.44
  5. Step 5: Solve for x
    x = 436,191,100,485,763.44/21,303,080.10
  6. Step 6: Final answer
    x = 20,475,494.55

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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.