Home / 28,642,479.48-39,529,987.44-16,085,597.77

Finding the Fourth Proportional to 28,642,479.48, 39,529,987.44 and 16,085,597.77

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Solution

The fourth proportional to 28,642,479.48, 39,529,987.44 and 16,085,597.77 is: 22,200,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,479.48 : 39,529,987.44 = 16,085,597.77 : x
  2. Step 2: Convert to fraction form
    28,642,479.48/39,529,987.44 = 16,085,597.77/x
  3. Step 3: Cross multiply
    28,642,479.48x = 39,529,987.44 × 16,085,597.77
  4. Step 4: Simplify right side
    28,642,479.48x = 635,863,477,812,992
  5. Step 5: Solve for x
    x = 635,863,477,812,992/28,642,479.48
  6. Step 6: Final answer
    x = 22,200,015.13

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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.