Home / 7,208,669.64-9,946,893.94-4,378,243.32

Finding the Fourth Proportional to 7,208,669.64, 9,946,893.94 and 4,378,243.32

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Solution

The fourth proportional to 7,208,669.64, 9,946,893.94 and 4,378,243.32 is: 6,041,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,669.64 : 9,946,893.94 = 4,378,243.32 : x
  2. Step 2: Convert to fraction form
    7,208,669.64/9,946,893.94 = 4,378,243.32/x
  3. Step 3: Cross multiply
    7,208,669.64x = 9,946,893.94 × 4,378,243.32
  4. Step 4: Simplify right side
    7,208,669.64x = 43,549,921,947,553.48
  5. Step 5: Solve for x
    x = 43,549,921,947,553.48/7,208,669.64
  6. Step 6: Final answer
    x = 6,041,325.81

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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.