Home / 28,118,651.58-42,181,301.61-9,919,049.94

Finding the Fourth Proportional to 28,118,651.58, 42,181,301.61 and 9,919,049.94

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Solution

The fourth proportional to 28,118,651.58, 42,181,301.61 and 9,919,049.94 is: 14,879,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,651.58 : 42,181,301.61 = 9,919,049.94 : x
  2. Step 2: Convert to fraction form
    28,118,651.58/42,181,301.61 = 9,919,049.94/x
  3. Step 3: Cross multiply
    28,118,651.58x = 42,181,301.61 × 9,919,049.94
  4. Step 4: Simplify right side
    28,118,651.58x = 418,398,437,203,792.38
  5. Step 5: Solve for x
    x = 418,398,437,203,792.38/28,118,651.58
  6. Step 6: Final answer
    x = 14,879,747.56

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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.