Home / 28,271,650.41-39,016,544.04-21,290,010.32

Finding the Fourth Proportional to 28,271,650.41, 39,016,544.04 and 21,290,010.32

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Solution

The fourth proportional to 28,271,650.41, 39,016,544.04 and 21,290,010.32 is: 29,381,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271,650.41 : 39,016,544.04 = 21,290,010.32 : x
  2. Step 2: Convert to fraction form
    28,271,650.41/39,016,544.04 = 21,290,010.32/x
  3. Step 3: Cross multiply
    28,271,650.41x = 39,016,544.04 × 21,290,010.32
  4. Step 4: Simplify right side
    28,271,650.41x = 830,662,625,262,334.50
  5. Step 5: Solve for x
    x = 830,662,625,262,334.50/28,271,650.41
  6. Step 6: Final answer
    x = 29,381,469.18

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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.