Home / 8,431,385.75-11,636,888.60-4,809,713.75

Finding the Fourth Proportional to 8,431,385.75, 11,636,888.60 and 4,809,713.75

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Solution

The fourth proportional to 8,431,385.75, 11,636,888.60 and 4,809,713.75 is: 6,638,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,385.75 : 11,636,888.60 = 4,809,713.75 : x
  2. Step 2: Convert to fraction form
    8,431,385.75/11,636,888.60 = 4,809,713.75/x
  3. Step 3: Cross multiply
    8,431,385.75x = 11,636,888.60 × 4,809,713.75
  4. Step 4: Simplify right side
    8,431,385.75x = 55,970,103,082,589.69
  5. Step 5: Solve for x
    x = 55,970,103,082,589.69/8,431,385.75
  6. Step 6: Final answer
    x = 6,638,304.16

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1.5x scale

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.