Home / 12,775,399.91-17,630,123.47-7,268,774.63

Finding the Fourth Proportional to 12,775,399.91, 17,630,123.47 and 7,268,774.63

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Solution

The fourth proportional to 12,775,399.91, 17,630,123.47 and 7,268,774.63 is: 10,030,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,399.91 : 17,630,123.47 = 7,268,774.63 : x
  2. Step 2: Convert to fraction form
    12,775,399.91/17,630,123.47 = 7,268,774.63/x
  3. Step 3: Cross multiply
    12,775,399.91x = 17,630,123.47 × 7,268,774.63
  4. Step 4: Simplify right side
    12,775,399.91x = 128,149,394,265,374.97
  5. Step 5: Solve for x
    x = 128,149,394,265,374.97/12,775,399.91
  6. Step 6: Final answer
    x = 10,030,949.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.