Home / 18,243,857.60-25,179,194.40-10,507,394.24

Finding the Fourth Proportional to 18,243,857.60, 25,179,194.40 and 10,507,394.24

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Solution

The fourth proportional to 18,243,857.60, 25,179,194.40 and 10,507,394.24 is: 14,501,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243,857.60 : 25,179,194.40 = 10,507,394.24 : x
  2. Step 2: Convert to fraction form
    18,243,857.60/25,179,194.40 = 10,507,394.24/x
  3. Step 3: Cross multiply
    18,243,857.60x = 25,179,194.40 × 10,507,394.24
  4. Step 4: Simplify right side
    18,243,857.60x = 264,567,722,206,400.25
  5. Step 5: Solve for x
    x = 264,567,722,206,400.25/18,243,857.60
  6. Step 6: Final answer
    x = 14,501,742.34

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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.