Home / 18,980,951-26,193,673.50-10,279,121

Finding the Fourth Proportional to 18,980,951, 26,193,673.50 and 10,279,121

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Solution

The fourth proportional to 18,980,951, 26,193,673.50 and 10,279,121 is: 14,185,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,951 : 26,193,673.50 = 10,279,121 : x
  2. Step 2: Convert to fraction form
    18,980,951/26,193,673.50 = 10,279,121/x
  3. Step 3: Cross multiply
    18,980,951x = 26,193,673.50 × 10,279,121
  4. Step 4: Simplify right side
    18,980,951x = 269,247,939,340,993.50
  5. Step 5: Solve for x
    x = 269,247,939,340,993.50/18,980,951
  6. Step 6: Final answer
    x = 14,185,165.92

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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.