Home / 6,945,772.80-10,404,662.40-4,678,291.20

Finding the Fourth Proportional to 6,945,772.80, 10,404,662.40 and 4,678,291.20

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Solution

The fourth proportional to 6,945,772.80, 10,404,662.40 and 4,678,291.20 is: 7,008,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,772.80 : 10,404,662.40 = 4,678,291.20 : x
  2. Step 2: Convert to fraction form
    6,945,772.80/10,404,662.40 = 4,678,291.20/x
  3. Step 3: Cross multiply
    6,945,772.80x = 10,404,662.40 × 4,678,291.20
  4. Step 4: Simplify right side
    6,945,772.80x = 48,676,040,544,890.88
  5. Step 5: Solve for x
    x = 48,676,040,544,890.88/6,945,772.80
  6. Step 6: Final answer
    x = 7,008,009.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.