Home / 20,362,447.54-28,099,454.61-11,195,023.54

Finding the Fourth Proportional to 20,362,447.54, 28,099,454.61 and 11,195,023.54

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Solution

The fourth proportional to 20,362,447.54, 28,099,454.61 and 11,195,023.54 is: 15,448,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,447.54 : 28,099,454.61 = 11,195,023.54 : x
  2. Step 2: Convert to fraction form
    20,362,447.54/28,099,454.61 = 11,195,023.54/x
  3. Step 3: Cross multiply
    20,362,447.54x = 28,099,454.61 × 11,195,023.54
  4. Step 4: Simplify right side
    20,362,447.54x = 314,574,055,820,111.50
  5. Step 5: Solve for x
    x = 314,574,055,820,111.50/20,362,447.54
  6. Step 6: Final answer
    x = 15,448,734.99

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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.