Finding the Fourth Proportional to 8,888,812.83, 12,267,557.19 and 5,021,583.12
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Solution
The fourth proportional to 8,888,812.83, 12,267,557.19 and 5,021,583.12 is: 6,930,347.09
Step by Step Solution
- Step 1: Write the proportion equation
8,888,812.83 : 12,267,557.19 = 5,021,583.12 : x - Step 2: Convert to fraction form
8,888,812.83/12,267,557.19 = 5,021,583.12/x - Step 3: Cross multiply
8,888,812.83x = 12,267,557.19 × 5,021,583.12 - Step 4: Simplify right side
8,888,812.83x = 61,602,558,108,938.63 - Step 5: Solve for x
x = 61,602,558,108,938.63/8,888,812.83 - Step 6: Final answer
x = 6,930,347.09
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1.5x scale
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.