Finding the Fourth Proportional to 15,114,831,610.24, 20,855,884,818.84 and 8,769,744,934.84
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Solution
The fourth proportional to 15,114,831,610.24, 20,855,884,818.84 and 8,769,744,934.84 is: 12,100,749,447.17
Step by Step Solution
- Step 1: Write the proportion equation
15,114,831,610.24 : 20,855,884,818.84 = 8,769,744,934.84 : x - Step 2: Convert to fraction form
15,114,831,610.24/20,855,884,818.84 = 8,769,744,934.84/x - Step 3: Cross multiply
15,114,831,610.24x = 20,855,884,818.84 × 8,769,744,934.84 - Step 4: Simplify right side
15,114,831,610.24x = 182,900,790,251,628,560,384 - Step 5: Solve for x
x = 182,900,790,251,628,560,384/15,114,831,610.24 - Step 6: Final answer
x = 12,100,749,447.17
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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.