Home / 15,515,450.49-21,411,321.60-8,992,863.35

Finding the Fourth Proportional to 15,515,450.49, 21,411,321.60 and 8,992,863.35

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Solution

The fourth proportional to 15,515,450.49, 21,411,321.60 and 8,992,863.35 is: 12,410,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,450.49 : 21,411,321.60 = 8,992,863.35 : x
  2. Step 2: Convert to fraction form
    15,515,450.49/21,411,321.60 = 8,992,863.35/x
  3. Step 3: Cross multiply
    15,515,450.49x = 21,411,321.60 × 8,992,863.35
  4. Step 4: Simplify right side
    15,515,450.49x = 192,549,089,390,647.69
  5. Step 5: Solve for x
    x = 192,549,089,390,647.69/15,515,450.49
  6. Step 6: Final answer
    x = 12,410,151.38

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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.