Home / 13,268,883.60-18,311,648.54-7,468,041.06

Finding the Fourth Proportional to 13,268,883.60, 18,311,648.54 and 7,468,041.06

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Solution

The fourth proportional to 13,268,883.60, 18,311,648.54 and 7,468,041.06 is: 10,306,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,883.60 : 18,311,648.54 = 7,468,041.06 : x
  2. Step 2: Convert to fraction form
    13,268,883.60/18,311,648.54 = 7,468,041.06/x
  3. Step 3: Cross multiply
    13,268,883.60x = 18,311,648.54 × 7,468,041.06
  4. Step 4: Simplify right side
    13,268,883.60x = 136,752,143,123,010.48
  5. Step 5: Solve for x
    x = 136,752,143,123,010.48/13,268,883.60
  6. Step 6: Final answer
    x = 10,306,228.26

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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.