Finding the Fourth Proportional to 8,889,349.80, 13,318,278.30 and 7,535,159.40
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Solution
The fourth proportional to 8,889,349.80, 13,318,278.30 and 7,535,159.40 is: 11,289,391.48
Step by Step Solution
- Step 1: Write the proportion equation
8,889,349.80 : 13,318,278.30 = 7,535,159.40 : x - Step 2: Convert to fraction form
8,889,349.80/13,318,278.30 = 7,535,159.40/x - Step 3: Cross multiply
8,889,349.80x = 13,318,278.30 × 7,535,159.40 - Step 4: Simplify right side
8,889,349.80x = 100,355,349,924,061.03 - Step 5: Solve for x
x = 100,355,349,924,061.03/8,889,349.80 - Step 6: Final answer
x = 11,289,391.48
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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.