Finding the Fourth Proportional to 13,807,610.08, 19,054,628.34 and 7,612,879.12
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Solution
The fourth proportional to 13,807,610.08, 19,054,628.34 and 7,612,879.12 is: 10,505,842.89
Step by Step Solution
- Step 1: Write the proportion equation
13,807,610.08 : 19,054,628.34 = 7,612,879.12 : x - Step 2: Convert to fraction form
13,807,610.08/19,054,628.34 = 7,612,879.12/x - Step 3: Cross multiply
13,807,610.08x = 19,054,628.34 × 7,612,879.12 - Step 4: Simplify right side
13,807,610.08x = 145,060,582,228,946.25 - Step 5: Solve for x
x = 145,060,582,228,946.25/13,807,610.08 - Step 6: Final answer
x = 10,505,842.89
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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.