Finding the Fourth Proportional to 19,531,518.04, 29,291,292.78 and 13,504,976.92
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Solution
The fourth proportional to 19,531,518.04, 29,291,292.78 and 13,504,976.92 is: 20,253,327.58
Step by Step Solution
- Step 1: Write the proportion equation
19,531,518.04 : 29,291,292.78 = 13,504,976.92 : x - Step 2: Convert to fraction form
19,531,518.04/29,291,292.78 = 13,504,976.92/x - Step 3: Cross multiply
19,531,518.04x = 29,291,292.78 × 13,504,976.92 - Step 4: Simplify right side
19,531,518.04x = 395,578,232,950,862.62 - Step 5: Solve for x
x = 395,578,232,950,862.62/19,531,518.04 - Step 6: Final answer
x = 20,253,327.58
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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.