Home / 7,623,701.38-10,520,858.37-4,185,912.34

Finding the Fourth Proportional to 7,623,701.38, 10,520,858.37 and 4,185,912.34

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Solution

The fourth proportional to 7,623,701.38, 10,520,858.37 and 4,185,912.34 is: 5,776,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,701.38 : 10,520,858.37 = 4,185,912.34 : x
  2. Step 2: Convert to fraction form
    7,623,701.38/10,520,858.37 = 4,185,912.34/x
  3. Step 3: Cross multiply
    7,623,701.38x = 10,520,858.37 × 4,185,912.34
  4. Step 4: Simplify right side
    7,623,701.38x = 44,039,390,878,375.28
  5. Step 5: Solve for x
    x = 44,039,390,878,375.28/7,623,701.38
  6. Step 6: Final answer
    x = 5,776,641.64

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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.