Home / 7,190,243.29-9,922,520.01-3,927,058.30

Finding the Fourth Proportional to 7,190,243.29, 9,922,520.01 and 3,927,058.30

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Solution

The fourth proportional to 7,190,243.29, 9,922,520.01 and 3,927,058.30 is: 5,419,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,243.29 : 9,922,520.01 = 3,927,058.30 : x
  2. Step 2: Convert to fraction form
    7,190,243.29/9,922,520.01 = 3,927,058.30/x
  3. Step 3: Cross multiply
    7,190,243.29x = 9,922,520.01 × 3,927,058.30
  4. Step 4: Simplify right side
    7,190,243.29x = 38,966,314,562,186.58
  5. Step 5: Solve for x
    x = 38,966,314,562,186.58/7,190,243.29
  6. Step 6: Final answer
    x = 5,419,331.86

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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.