Home / 12,775,398.64-17,630,121.72-7,268,773.36

Finding the Fourth Proportional to 12,775,398.64, 17,630,121.72 and 7,268,773.36

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Solution

The fourth proportional to 12,775,398.64, 17,630,121.72 and 7,268,773.36 is: 10,030,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,398.64 : 17,630,121.72 = 7,268,773.36 : x
  2. Step 2: Convert to fraction form
    12,775,398.64/17,630,121.72 = 7,268,773.36/x
  3. Step 3: Cross multiply
    12,775,398.64x = 17,630,121.72 × 7,268,773.36
  4. Step 4: Simplify right side
    12,775,398.64x = 128,149,359,108,132.45
  5. Step 5: Solve for x
    x = 128,149,359,108,132.45/12,775,398.64
  6. Step 6: Final answer
    x = 10,030,947.98

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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.