Home / 18,980,946-26,193,666.60-10,279,116

Finding the Fourth Proportional to 18,980,946, 26,193,666.60 and 10,279,116

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Solution

The fourth proportional to 18,980,946, 26,193,666.60 and 10,279,116 is: 14,185,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,946 : 26,193,666.60 = 10,279,116 : x
  2. Step 2: Convert to fraction form
    18,980,946/26,193,666.60 = 10,279,116/x
  3. Step 3: Cross multiply
    18,980,946x = 26,193,666.60 × 10,279,116
  4. Step 4: Simplify right side
    18,980,946x = 269,247,737,446,725.62
  5. Step 5: Solve for x
    x = 269,247,737,446,725.62/18,980,946
  6. Step 6: Final answer
    x = 14,185,159.02

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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.