Home / 18,718,201.90-28,030,063.65-12,293,670.70

Finding the Fourth Proportional to 18,718,201.90, 28,030,063.65 and 12,293,670.70

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Solution

The fourth proportional to 18,718,201.90, 28,030,063.65 and 12,293,670.70 is: 18,409,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,201.90 : 28,030,063.65 = 12,293,670.70 : x
  2. Step 2: Convert to fraction form
    18,718,201.90/28,030,063.65 = 12,293,670.70/x
  3. Step 3: Cross multiply
    18,718,201.90x = 28,030,063.65 × 12,293,670.70
  4. Step 4: Simplify right side
    18,718,201.90x = 344,592,372,213,140
  5. Step 5: Solve for x
    x = 344,592,372,213,140/18,718,201.90
  6. Step 6: Final answer
    x = 18,409,480.46

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