Home / 18,770,643-25,903,487.34-10,185,939

Finding the Fourth Proportional to 18,770,643, 25,903,487.34 and 10,185,939

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Solution

The fourth proportional to 18,770,643, 25,903,487.34 and 10,185,939 is: 14,056,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,643 : 25,903,487.34 = 10,185,939 : x
  2. Step 2: Convert to fraction form
    18,770,643/25,903,487.34 = 10,185,939/x
  3. Step 3: Cross multiply
    18,770,643x = 25,903,487.34 × 10,185,939
  4. Step 4: Simplify right side
    18,770,643x = 263,851,341,932,512.25
  5. Step 5: Solve for x
    x = 263,851,341,932,512.25/18,770,643
  6. Step 6: Final answer
    x = 14,056,595.82

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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.