Finding the Fourth Proportional to 11,224,047.20, 15,485,655.48 and 6,868,592.96
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Solution
The fourth proportional to 11,224,047.20, 15,485,655.48 and 6,868,592.96 is: 9,476,498.30
Step by Step Solution
- Step 1: Write the proportion equation
11,224,047.20 : 15,485,655.48 = 6,868,592.96 : x - Step 2: Convert to fraction form
11,224,047.20/15,485,655.48 = 6,868,592.96/x - Step 3: Cross multiply
11,224,047.20x = 15,485,655.48 × 6,868,592.96 - Step 4: Simplify right side
11,224,047.20x = 106,364,664,210,913.42 - Step 5: Solve for x
x = 106,364,664,210,913.42/11,224,047.20 - Step 6: Final answer
x = 9,476,498.30
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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.