Home / 18,450,564.12-25,463,352.78-10,303,376.76

Finding the Fourth Proportional to 18,450,564.12, 25,463,352.78 and 10,303,376.76

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Solution

The fourth proportional to 18,450,564.12, 25,463,352.78 and 10,303,376.76 is: 14,219,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450,564.12 : 25,463,352.78 = 10,303,376.76 : x
  2. Step 2: Convert to fraction form
    18,450,564.12/25,463,352.78 = 10,303,376.76/x
  3. Step 3: Cross multiply
    18,450,564.12x = 25,463,352.78 × 10,303,376.76
  4. Step 4: Simplify right side
    18,450,564.12x = 262,358,517,265,133.41
  5. Step 5: Solve for x
    x = 262,358,517,265,133.41/18,450,564.12
  6. Step 6: Final answer
    x = 14,219,539.06

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1.5x scale

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.