Home / 28,739,145.60-43,108,718.40-26,660,620.80

Finding the Fourth Proportional to 28,739,145.60, 43,108,718.40 and 26,660,620.80

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Solution

The fourth proportional to 28,739,145.60, 43,108,718.40 and 26,660,620.80 is: 39,990,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,145.60 : 43,108,718.40 = 26,660,620.80 : x
  2. Step 2: Convert to fraction form
    28,739,145.60/43,108,718.40 = 26,660,620.80/x
  3. Step 3: Cross multiply
    28,739,145.60x = 43,108,718.40 × 26,660,620.80
  4. Step 4: Simplify right side
    28,739,145.60x = 1,149,305,194,436,382.75
  5. Step 5: Solve for x
    x = 1,149,305,194,436,382.75/28,739,145.60
  6. Step 6: Final answer
    x = 39,990,931.20

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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.