Home / 18,993,205-26,210,645.94-10,291,370.74

Finding the Fourth Proportional to 18,993,205, 26,210,645.94 and 10,291,370.74

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Solution

The fourth proportional to 18,993,205, 26,210,645.94 and 10,291,370.74 is: 14,202,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993,205 : 26,210,645.94 = 10,291,370.74 : x
  2. Step 2: Convert to fraction form
    18,993,205/26,210,645.94 = 10,291,370.74/x
  3. Step 3: Cross multiply
    18,993,205x = 26,210,645.94 × 10,291,370.74
  4. Step 4: Simplify right side
    18,993,205x = 269,743,474,703,415.81
  5. Step 5: Solve for x
    x = 269,743,474,703,415.81/18,993,205
  6. Step 6: Final answer
    x = 14,202,104.11

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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.