Home / 28,404,122.41-42,588,431.25-12,000,973.60

Finding the Fourth Proportional to 28,404,122.41, 42,588,431.25 and 12,000,973.60

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Solution

The fourth proportional to 28,404,122.41, 42,588,431.25 and 12,000,973.60 is: 17,993,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404,122.41 : 42,588,431.25 = 12,000,973.60 : x
  2. Step 2: Convert to fraction form
    28,404,122.41/42,588,431.25 = 12,000,973.60/x
  3. Step 3: Cross multiply
    28,404,122.41x = 42,588,431.25 × 12,000,973.60
  4. Step 4: Simplify right side
    28,404,122.41x = 511,102,639,096,665
  5. Step 5: Solve for x
    x = 511,102,639,096,665/28,404,122.41
  6. Step 6: Final answer
    x = 17,993,959.88

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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.