Home / 12,216,258.74-18,321,360.02-4,129,054.58

Finding the Fourth Proportional to 12,216,258.74, 18,321,360.02 and 4,129,054.58

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Solution

The fourth proportional to 12,216,258.74, 18,321,360.02 and 4,129,054.58 is: 6,192,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,258.74 : 18,321,360.02 = 4,129,054.58 : x
  2. Step 2: Convert to fraction form
    12,216,258.74/18,321,360.02 = 4,129,054.58/x
  3. Step 3: Cross multiply
    12,216,258.74x = 18,321,360.02 × 4,129,054.58
  4. Step 4: Simplify right side
    12,216,258.74x = 75,649,895,502,409.89
  5. Step 5: Solve for x
    x = 75,649,895,502,409.89/12,216,258.74
  6. Step 6: Final answer
    x = 6,192,558.39

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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.