Home / 12,502,945.26-18,740,736.68-6,438,041.01

Finding the Fourth Proportional to 12,502,945.26, 18,740,736.68 and 6,438,041.01

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Solution

The fourth proportional to 12,502,945.26, 18,740,736.68 and 6,438,041.01 is: 9,650,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,945.26 : 18,740,736.68 = 6,438,041.01 : x
  2. Step 2: Convert to fraction form
    12,502,945.26/18,740,736.68 = 6,438,041.01/x
  3. Step 3: Cross multiply
    12,502,945.26x = 18,740,736.68 × 6,438,041.01
  4. Step 4: Simplify right side
    12,502,945.26x = 120,653,631,271,261.05
  5. Step 5: Solve for x
    x = 120,653,631,271,261.05/12,502,945.26
  6. Step 6: Final answer
    x = 9,650,016.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.