Home / 6,677,128.60-9,214,448.16-3,621,345.28

Finding the Fourth Proportional to 6,677,128.60, 9,214,448.16 and 3,621,345.28

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Solution

The fourth proportional to 6,677,128.60, 9,214,448.16 and 3,621,345.28 is: 4,997,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677,128.60 : 9,214,448.16 = 3,621,345.28 : x
  2. Step 2: Convert to fraction form
    6,677,128.60/9,214,448.16 = 3,621,345.28/x
  3. Step 3: Cross multiply
    6,677,128.60x = 9,214,448.16 × 3,621,345.28
  4. Step 4: Simplify right side
    6,677,128.60x = 33,368,698,352,020.68
  5. Step 5: Solve for x
    x = 33,368,698,352,020.68/6,677,128.60
  6. Step 6: Final answer
    x = 4,997,462.29

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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.