Finding the Fourth Proportional to 23,106,816.84, 31,888,403.70 and 12,793,539.94
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Solution
The fourth proportional to 23,106,816.84, 31,888,403.70 and 12,793,539.94 is: 17,655,636.82
Step by Step Solution
- Step 1: Write the proportion equation
23,106,816.84 : 31,888,403.70 = 12,793,539.94 : x - Step 2: Convert to fraction form
23,106,816.84/31,888,403.70 = 12,793,539.94/x - Step 3: Cross multiply
23,106,816.84x = 31,888,403.70 × 12,793,539.94 - Step 4: Simplify right side
23,106,816.84x = 407,965,566,231,097 - Step 5: Solve for x
x = 407,965,566,231,097/23,106,816.84 - Step 6: Final answer
x = 17,655,636.82
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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.