Home / 28,588,133.20-42,882,199.80-11,540,030.80

Finding the Fourth Proportional to 28,588,133.20, 42,882,199.80 and 11,540,030.80

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Solution

The fourth proportional to 28,588,133.20, 42,882,199.80 and 11,540,030.80 is: 17,310,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,133.20 : 42,882,199.80 = 11,540,030.80 : x
  2. Step 2: Convert to fraction form
    28,588,133.20/42,882,199.80 = 11,540,030.80/x
  3. Step 3: Cross multiply
    28,588,133.20x = 42,882,199.80 × 11,540,030.80
  4. Step 4: Simplify right side
    28,588,133.20x = 494,861,906,463,753.81
  5. Step 5: Solve for x
    x = 494,861,906,463,753.81/28,588,133.20
  6. Step 6: Final answer
    x = 17,310,046.20

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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.