Home / 12,122,034.78-16,728,762.65-6,615,762.81

Finding the Fourth Proportional to 12,122,034.78, 16,728,762.65 and 6,615,762.81

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Solution

The fourth proportional to 12,122,034.78, 16,728,762.65 and 6,615,762.81 is: 9,129,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,034.78 : 16,728,762.65 = 6,615,762.81 : x
  2. Step 2: Convert to fraction form
    12,122,034.78/16,728,762.65 = 6,615,762.81/x
  3. Step 3: Cross multiply
    12,122,034.78x = 16,728,762.65 × 6,615,762.81
  4. Step 4: Simplify right side
    12,122,034.78x = 110,673,525,797,187.05
  5. Step 5: Solve for x
    x = 110,673,525,797,187.05/12,122,034.78
  6. Step 6: Final answer
    x = 9,129,946.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.