Home / 13,150,100.04-18,145,566.40-7,268,939.77

Finding the Fourth Proportional to 13,150,100.04, 18,145,566.40 and 7,268,939.77

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Solution

The fourth proportional to 13,150,100.04, 18,145,566.40 and 7,268,939.77 is: 10,030,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,100.04 : 18,145,566.40 = 7,268,939.77 : x
  2. Step 2: Convert to fraction form
    13,150,100.04/18,145,566.40 = 7,268,939.77/x
  3. Step 3: Cross multiply
    13,150,100.04x = 18,145,566.40 × 7,268,939.77
  4. Step 4: Simplify right side
    13,150,100.04x = 131,899,029,254,135.70
  5. Step 5: Solve for x
    x = 131,899,029,254,135.70/13,150,100.04
  6. Step 6: Final answer
    x = 10,030,268.12

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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.