Finding the Fourth Proportional to 16,924,479.75, 23,355,782.06 and 9,681,135.75
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Solution
The fourth proportional to 16,924,479.75, 23,355,782.06 and 9,681,135.75 is: 13,359,967.34
Step by Step Solution
- Step 1: Write the proportion equation
16,924,479.75 : 23,355,782.06 = 9,681,135.75 : x - Step 2: Convert to fraction form
16,924,479.75/23,355,782.06 = 9,681,135.75/x - Step 3: Cross multiply
16,924,479.75x = 23,355,782.06 × 9,681,135.75 - Step 4: Simplify right side
16,924,479.75x = 226,110,496,621,868.97 - Step 5: Solve for x
x = 226,110,496,621,868.97/16,924,479.75 - Step 6: Final answer
x = 13,359,967.34
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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.