Finding the Fourth Proportional to 34,148,961.10, 47,125,707.33 and 18,467,985.25
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Solution
The fourth proportional to 34,148,961.10, 47,125,707.33 and 18,467,985.25 is: 25,485,895.90
Step by Step Solution
- Step 1: Write the proportion equation
34,148,961.10 : 47,125,707.33 = 18,467,985.25 : x - Step 2: Convert to fraction form
34,148,961.10/47,125,707.33 = 18,467,985.25/x - Step 3: Cross multiply
34,148,961.10x = 47,125,707.33 × 18,467,985.25 - Step 4: Simplify right side
34,148,961.10x = 870,316,867,773,917 - Step 5: Solve for x
x = 870,316,867,773,917/34,148,961.10 - Step 6: Final answer
x = 25,485,895.90
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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.