Home / 11,521,729.86-15,900,191.91-6,364,783.86

Finding the Fourth Proportional to 11,521,729.86, 15,900,191.91 and 6,364,783.86

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Solution

The fourth proportional to 11,521,729.86, 15,900,191.91 and 6,364,783.86 is: 8,783,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521,729.86 : 15,900,191.91 = 6,364,783.86 : x
  2. Step 2: Convert to fraction form
    11,521,729.86/15,900,191.91 = 6,364,783.86/x
  3. Step 3: Cross multiply
    11,521,729.86x = 15,900,191.91 × 6,364,783.86
  4. Step 4: Simplify right side
    11,521,729.86x = 101,201,284,839,670.58
  5. Step 5: Solve for x
    x = 101,201,284,839,670.58/11,521,729.86
  6. Step 6: Final answer
    x = 8,783,514.81

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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.