Finding the Fourth Proportional to 11,316,986.08, 15,617,817.61 and 6,356,300.28
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Solution
The fourth proportional to 11,316,986.08, 15,617,817.61 and 6,356,300.28 is: 8,771,906.03
Step by Step Solution
- Step 1: Write the proportion equation
11,316,986.08 : 15,617,817.61 = 6,356,300.28 : x - Step 2: Convert to fraction form
11,316,986.08/15,617,817.61 = 6,356,300.28/x - Step 3: Cross multiply
11,316,986.08x = 15,617,817.61 × 6,356,300.28 - Step 4: Simplify right side
11,316,986.08x = 99,271,538,447,431.94 - Step 5: Solve for x
x = 99,271,538,447,431.94/11,316,986.08 - Step 6: Final answer
x = 8,771,906.03
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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.