Finding the Fourth Proportional to 13,704,599,112.94, 18,918,543,683.50 and 8,631,418,818.76
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Solution
The fourth proportional to 13,704,599,112.94, 18,918,543,683.50 and 8,631,418,818.76 is: 11,915,260,900.92
Step by Step Solution
- Step 1: Write the proportion equation
13,704,599,112.94 : 18,918,543,683.50 = 8,631,418,818.76 : x - Step 2: Convert to fraction form
13,704,599,112.94/18,918,543,683.50 = 8,631,418,818.76/x - Step 3: Cross multiply
13,704,599,112.94x = 18,918,543,683.50 × 8,631,418,818.76 - Step 4: Simplify right side
13,704,599,112.94x = 163,293,873,973,227,520,000 - Step 5: Solve for x
x = 163,293,873,973,227,520,000/13,704,599,112.94 - Step 6: Final answer
x = 11,915,260,900.92
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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.