Finding the Fourth Proportional to 11,038,744.80, 15,233,445.36 and 6,209,848.80
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Solution
The fourth proportional to 11,038,744.80, 15,233,445.36 and 6,209,848.80 is: 8,569,578.71
Step by Step Solution
- Step 1: Write the proportion equation
11,038,744.80 : 15,233,445.36 = 6,209,848.80 : x - Step 2: Convert to fraction form
11,038,744.80/15,233,445.36 = 6,209,848.80/x - Step 3: Cross multiply
11,038,744.80x = 15,233,445.36 × 6,209,848.80 - Step 4: Simplify right side
11,038,744.80x = 94,597,392,388,661.56 - Step 5: Solve for x
x = 94,597,392,388,661.56/11,038,744.80 - Step 6: Final answer
x = 8,569,578.71
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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.