Finding the Fourth Proportional to 13,807,054.96, 19,053,756.84 and 7,695,352.24
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Solution
The fourth proportional to 13,807,054.96, 19,053,756.84 and 7,695,352.24 is: 10,619,597.79
Step by Step Solution
- Step 1: Write the proportion equation
13,807,054.96 : 19,053,756.84 = 7,695,352.24 : x - Step 2: Convert to fraction form
13,807,054.96/19,053,756.84 = 7,695,352.24/x - Step 3: Cross multiply
13,807,054.96x = 19,053,756.84 × 7,695,352.24 - Step 4: Simplify right side
13,807,054.96x = 146,625,370,379,109.31 - Step 5: Solve for x
x = 146,625,370,379,109.31/13,807,054.96 - Step 6: Final answer
x = 10,619,597.79
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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.