Finding the Fourth Proportional to 13,110,734.08, 18,092,888.85 and 7,309,876.96
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Solution
The fourth proportional to 13,110,734.08, 18,092,888.85 and 7,309,876.96 is: 10,087,672.48
Step by Step Solution
- Step 1: Write the proportion equation
13,110,734.08 : 18,092,888.85 = 7,309,876.96 : x - Step 2: Convert to fraction form
13,110,734.08/18,092,888.85 = 7,309,876.96/x - Step 3: Cross multiply
13,110,734.08x = 18,092,888.85 × 7,309,876.96 - Step 4: Simplify right side
13,110,734.08x = 132,256,791,353,365.98 - Step 5: Solve for x
x = 132,256,791,353,365.98/13,110,734.08 - Step 6: Final answer
x = 10,087,672.48
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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.