Home / 28,588,541.20-42,882,811.80-11,540,438.80

Finding the Fourth Proportional to 28,588,541.20, 42,882,811.80 and 11,540,438.80

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Solution

The fourth proportional to 28,588,541.20, 42,882,811.80 and 11,540,438.80 is: 17,310,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,541.20 : 42,882,811.80 = 11,540,438.80 : x
  2. Step 2: Convert to fraction form
    28,588,541.20/42,882,811.80 = 11,540,438.80/x
  3. Step 3: Cross multiply
    28,588,541.20x = 42,882,811.80 × 11,540,438.80
  4. Step 4: Simplify right side
    28,588,541.20x = 494,886,465,149,817.81
  5. Step 5: Solve for x
    x = 494,886,465,149,817.81/28,588,541.20
  6. Step 6: Final answer
    x = 17,310,658.20

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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.