Finding the Fourth Proportional to 19,334,674.04, 28,999,647.48 and 7,973,646.44
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Solution
The fourth proportional to 19,334,674.04, 28,999,647.48 and 7,973,646.44 is: 11,959,494.92
Step by Step Solution
- Step 1: Write the proportion equation
19,334,674.04 : 28,999,647.48 = 7,973,646.44 : x - Step 2: Convert to fraction form
19,334,674.04/28,999,647.48 = 7,973,646.44/x - Step 3: Cross multiply
19,334,674.04x = 28,999,647.48 × 7,973,646.44 - Step 4: Simplify right side
19,334,674.04x = 231,232,935,890,157 - Step 5: Solve for x
x = 231,232,935,890,157/19,334,674.04 - Step 6: Final answer
x = 11,959,494.92
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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.