Home / 13,325,328.80-19,984,999.28-6,129,952.16

Finding the Fourth Proportional to 13,325,328.80, 19,984,999.28 and 6,129,952.16

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Solution

The fourth proportional to 13,325,328.80, 19,984,999.28 and 6,129,952.16 is: 9,193,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,328.80 : 19,984,999.28 = 6,129,952.16 : x
  2. Step 2: Convert to fraction form
    13,325,328.80/19,984,999.28 = 6,129,952.16/x
  3. Step 3: Cross multiply
    13,325,328.80x = 19,984,999.28 × 6,129,952.16
  4. Step 4: Simplify right side
    13,325,328.80x = 122,507,089,504,034.45
  5. Step 5: Solve for x
    x = 122,507,089,504,034.45/13,325,328.80
  6. Step 6: Final answer
    x = 9,193,550.97

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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.