Home / 12,769,178.90-17,621,840.73-6,968,334.54

Finding the Fourth Proportional to 12,769,178.90, 17,621,840.73 and 6,968,334.54

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Solution

The fourth proportional to 12,769,178.90, 17,621,840.73 and 6,968,334.54 is: 9,616,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,178.90 : 17,621,840.73 = 6,968,334.54 : x
  2. Step 2: Convert to fraction form
    12,769,178.90/17,621,840.73 = 6,968,334.54/x
  3. Step 3: Cross multiply
    12,769,178.90x = 17,621,840.73 × 6,968,334.54
  4. Step 4: Simplify right side
    12,769,178.90x = 122,794,881,417,237.81
  5. Step 5: Solve for x
    x = 122,794,881,417,237.81/12,769,178.90
  6. Step 6: Final answer
    x = 9,616,505.68

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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.