Home / 6,626,412.80-9,939,619.20-4,237,625.60

Finding the Fourth Proportional to 6,626,412.80, 9,939,619.20 and 4,237,625.60

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Solution

The fourth proportional to 6,626,412.80, 9,939,619.20 and 4,237,625.60 is: 6,356,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,412.80 : 9,939,619.20 = 4,237,625.60 : x
  2. Step 2: Convert to fraction form
    6,626,412.80/9,939,619.20 = 4,237,625.60/x
  3. Step 3: Cross multiply
    6,626,412.80x = 9,939,619.20 × 4,237,625.60
  4. Step 4: Simplify right side
    6,626,412.80x = 42,120,384,776,171.52
  5. Step 5: Solve for x
    x = 42,120,384,776,171.52/6,626,412.80
  6. Step 6: Final answer
    x = 6,356,438.40

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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.