Finding the Fourth Proportional to 34,197,109.08, 47,191,656.24 and 18,515,863.68
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Solution
The fourth proportional to 34,197,109.08, 47,191,656.24 and 18,515,863.68 is: 25,551,700.05
Step by Step Solution
- Step 1: Write the proportion equation
34,197,109.08 : 47,191,656.24 = 18,515,863.68 : x - Step 2: Convert to fraction form
34,197,109.08/47,191,656.24 = 18,515,863.68/x - Step 3: Cross multiply
34,197,109.08x = 47,191,656.24 × 18,515,863.68 - Step 4: Simplify right side
34,197,109.08x = 873,794,273,773,261.38 - Step 5: Solve for x
x = 873,794,273,773,261.38/34,197,109.08 - Step 6: Final answer
x = 25,551,700.05
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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.