Finding the Fourth Proportional to 8,853,602.99, 13,270,330.10 and 5,387,698.57
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Solution
The fourth proportional to 8,853,602.99, 13,270,330.10 and 5,387,698.57 is: 8,075,417.27
Step by Step Solution
- Step 1: Write the proportion equation
8,853,602.99 : 13,270,330.10 = 5,387,698.57 : x - Step 2: Convert to fraction form
8,853,602.99/13,270,330.10 = 5,387,698.57/x - Step 3: Cross multiply
8,853,602.99x = 13,270,330.10 × 5,387,698.57 - Step 4: Simplify right side
8,853,602.99x = 71,496,538,438,990.70 - Step 5: Solve for x
x = 71,496,538,438,990.70/8,853,602.99 - Step 6: Final answer
x = 8,075,417.27
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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.