Home / 12,295,979.60-18,443,969.40-3,775,208.90

Finding the Fourth Proportional to 12,295,979.60, 18,443,969.40 and 3,775,208.90

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Solution

The fourth proportional to 12,295,979.60, 18,443,969.40 and 3,775,208.90 is: 5,662,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,979.60 : 18,443,969.40 = 3,775,208.90 : x
  2. Step 2: Convert to fraction form
    12,295,979.60/18,443,969.40 = 3,775,208.90/x
  3. Step 3: Cross multiply
    12,295,979.60x = 18,443,969.40 × 3,775,208.90
  4. Step 4: Simplify right side
    12,295,979.60x = 69,629,837,430,207.66
  5. Step 5: Solve for x
    x = 69,629,837,430,207.66/12,295,979.60
  6. Step 6: Final answer
    x = 5,662,813.35

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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.