Finding the Fourth Proportional to 15,268,247.52, 21,070,225.28 and 8,741,977.08
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Solution
The fourth proportional to 15,268,247.52, 21,070,225.28 and 8,741,977.08 is: 12,063,953.39
Step by Step Solution
- Step 1: Write the proportion equation
15,268,247.52 : 21,070,225.28 = 8,741,977.08 : x - Step 2: Convert to fraction form
15,268,247.52/21,070,225.28 = 8,741,977.08/x - Step 3: Cross multiply
15,268,247.52x = 21,070,225.28 × 8,741,977.08 - Step 4: Simplify right side
15,268,247.52x = 184,195,426,468,196.59 - Step 5: Solve for x
x = 184,195,426,468,196.59/15,268,247.52 - Step 6: Final answer
x = 12,063,953.39
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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.