Home / 6,420,544.99-9,634,128.62-3,009,178.16

Finding the Fourth Proportional to 6,420,544.99, 9,634,128.62 and 3,009,178.16

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Solution

The fourth proportional to 6,420,544.99, 9,634,128.62 and 3,009,178.16 is: 4,515,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,544.99 : 9,634,128.62 = 3,009,178.16 : x
  2. Step 2: Convert to fraction form
    6,420,544.99/9,634,128.62 = 3,009,178.16/x
  3. Step 3: Cross multiply
    6,420,544.99x = 9,634,128.62 × 3,009,178.16
  4. Step 4: Simplify right side
    6,420,544.99x = 28,990,809,433,934.94
  5. Step 5: Solve for x
    x = 28,990,809,433,934.94/6,420,544.99
  6. Step 6: Final answer
    x = 4,515,319.10

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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.