Home / 13,046,544.95-18,003,738.79-7,245,700.36

Finding the Fourth Proportional to 13,046,544.95, 18,003,738.79 and 7,245,700.36

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Solution

The fourth proportional to 13,046,544.95, 18,003,738.79 and 7,245,700.36 is: 9,998,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,544.95 : 18,003,738.79 = 7,245,700.36 : x
  2. Step 2: Convert to fraction form
    13,046,544.95/18,003,738.79 = 7,245,700.36/x
  3. Step 3: Cross multiply
    13,046,544.95x = 18,003,738.79 × 7,245,700.36
  4. Step 4: Simplify right side
    13,046,544.95x = 130,449,696,676,992.86
  5. Step 5: Solve for x
    x = 130,449,696,676,992.86/13,046,544.95
  6. Step 6: Final answer
    x = 9,998,792.56

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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.