Home / 18,428,067.60-25,430,559.72-10,168,204.56

Finding the Fourth Proportional to 18,428,067.60, 25,430,559.72 and 10,168,204.56

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Solution

The fourth proportional to 18,428,067.60, 25,430,559.72 and 10,168,204.56 is: 14,032,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,067.60 : 25,430,559.72 = 10,168,204.56 : x
  2. Step 2: Convert to fraction form
    18,428,067.60/25,430,559.72 = 10,168,204.56/x
  3. Step 3: Cross multiply
    18,428,067.60x = 25,430,559.72 × 10,168,204.56
  4. Step 4: Simplify right side
    18,428,067.60x = 258,583,133,308,256.31
  5. Step 5: Solve for x
    x = 258,583,133,308,256.31/18,428,067.60
  6. Step 6: Final answer
    x = 14,032,026.52

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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.