Finding the Fourth Proportional to 11,485,955.94, 15,850,725.50 and 6,329,502.02
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Solution
The fourth proportional to 11,485,955.94, 15,850,725.50 and 6,329,502.02 is: 8,734,771.37
Step by Step Solution
- Step 1: Write the proportion equation
11,485,955.94 : 15,850,725.50 = 6,329,502.02 : x - Step 2: Convert to fraction form
11,485,955.94/15,850,725.50 = 6,329,502.02/x - Step 3: Cross multiply
11,485,955.94x = 15,850,725.50 × 6,329,502.02 - Step 4: Simplify right side
11,485,955.94x = 100,327,199,070,715.50 - Step 5: Solve for x
x = 100,327,199,070,715.50/11,485,955.94 - Step 6: Final answer
x = 8,734,771.37
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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.