Home / 12,122,036.42-16,728,764.90-6,615,764.43

Finding the Fourth Proportional to 12,122,036.42, 16,728,764.90 and 6,615,764.43

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Solution

The fourth proportional to 12,122,036.42, 16,728,764.90 and 6,615,764.43 is: 9,129,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,036.42 : 16,728,764.90 = 6,615,764.43 : x
  2. Step 2: Convert to fraction form
    12,122,036.42/16,728,764.90 = 6,615,764.43/x
  3. Step 3: Cross multiply
    12,122,036.42x = 16,728,764.90 × 6,615,764.43
  4. Step 4: Simplify right side
    12,122,036.42x = 110,673,567,750,173.67
  5. Step 5: Solve for x
    x = 110,673,567,750,173.67/12,122,036.42
  6. Step 6: Final answer
    x = 9,129,948.46

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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.