Home / 18,254,233.86-25,189,844.74-9,992,697.94

Finding the Fourth Proportional to 18,254,233.86, 25,189,844.74 and 9,992,697.94

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Solution

The fourth proportional to 18,254,233.86, 25,189,844.74 and 9,992,697.94 is: 13,789,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,233.86 : 25,189,844.74 = 9,992,697.94 : x
  2. Step 2: Convert to fraction form
    18,254,233.86/25,189,844.74 = 9,992,697.94/x
  3. Step 3: Cross multiply
    18,254,233.86x = 25,189,844.74 × 9,992,697.94
  4. Step 4: Simplify right side
    18,254,233.86x = 251,714,509,648,823.41
  5. Step 5: Solve for x
    x = 251,714,509,648,823.41/18,254,233.86
  6. Step 6: Final answer
    x = 13,789,376.84

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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.