Finding the Fourth Proportional to 8,992,293.85, 12,409,356.76 and 4,862,315.09
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Solution
The fourth proportional to 8,992,293.85, 12,409,356.76 and 4,862,315.09 is: 6,709,990.10
Step by Step Solution
- Step 1: Write the proportion equation
8,992,293.85 : 12,409,356.76 = 4,862,315.09 : x - Step 2: Convert to fraction form
8,992,293.85/12,409,356.76 = 4,862,315.09/x - Step 3: Cross multiply
8,992,293.85x = 12,409,356.76 × 4,862,315.09 - Step 4: Simplify right side
8,992,293.85x = 60,338,202,681,331.98 - Step 5: Solve for x
x = 60,338,202,681,331.98/8,992,293.85 - Step 6: Final answer
x = 6,709,990.10
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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.