Home / 12,314,464.40-18,476,945.40-7,769,003.60

Finding the Fourth Proportional to 12,314,464.40, 18,476,945.40 and 7,769,003.60

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Solution

The fourth proportional to 12,314,464.40, 18,476,945.40 and 7,769,003.60 is: 11,656,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314,464.40 : 18,476,945.40 = 7,769,003.60 : x
  2. Step 2: Convert to fraction form
    12,314,464.40/18,476,945.40 = 7,769,003.60/x
  3. Step 3: Cross multiply
    12,314,464.40x = 18,476,945.40 × 7,769,003.60
  4. Step 4: Simplify right side
    12,314,464.40x = 143,547,455,329,603.41
  5. Step 5: Solve for x
    x = 143,547,455,329,603.41/12,314,464.40
  6. Step 6: Final answer
    x = 11,656,816.79

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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.