Home / 18,254,235.86-25,189,847.49-9,992,699.94

Finding the Fourth Proportional to 18,254,235.86, 25,189,847.49 and 9,992,699.94

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Solution

The fourth proportional to 18,254,235.86, 25,189,847.49 and 9,992,699.94 is: 13,789,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,235.86 : 25,189,847.49 = 9,992,699.94 : x
  2. Step 2: Convert to fraction form
    18,254,235.86/25,189,847.49 = 9,992,699.94/x
  3. Step 3: Cross multiply
    18,254,235.86x = 25,189,847.49 × 9,992,699.94
  4. Step 4: Simplify right side
    18,254,235.86x = 251,714,587,501,932.12
  5. Step 5: Solve for x
    x = 251,714,587,501,932.12/18,254,235.86
  6. Step 6: Final answer
    x = 13,789,379.60

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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.