Finding the Fourth Proportional to 7,994,778.68, 11,992,170.09 and 2,238,360.39
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Solution
The fourth proportional to 7,994,778.68, 11,992,170.09 and 2,238,360.39 is: 3,357,541.17
Step by Step Solution
- Step 1: Write the proportion equation
7,994,778.68 : 11,992,170.09 = 2,238,360.39 : x - Step 2: Convert to fraction form
7,994,778.68/11,992,170.09 = 2,238,360.39/x - Step 3: Cross multiply
7,994,778.68x = 11,992,170.09 × 2,238,360.39 - Step 4: Simplify right side
7,994,778.68x = 26,842,798,519,598.74 - Step 5: Solve for x
x = 26,842,798,519,598.74/7,994,778.68 - Step 6: Final answer
x = 3,357,541.17
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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.