Home / 30,890,610.80-46,327,621.80-12,935,999.60

Finding the Fourth Proportional to 30,890,610.80, 46,327,621.80 and 12,935,999.60

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Solution

The fourth proportional to 30,890,610.80, 46,327,621.80 and 12,935,999.60 is: 19,400,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890,610.80 : 46,327,621.80 = 12,935,999.60 : x
  2. Step 2: Convert to fraction form
    30,890,610.80/46,327,621.80 = 12,935,999.60/x
  3. Step 3: Cross multiply
    30,890,610.80x = 46,327,621.80 × 12,935,999.60
  4. Step 4: Simplify right side
    30,890,610.80x = 599,294,097,073,751.25
  5. Step 5: Solve for x
    x = 599,294,097,073,751.25/30,890,610.80
  6. Step 6: Final answer
    x = 19,400,525.97

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1.5x scale

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.