Finding the Fourth Proportional to 51,617,941.94, 71,234,639.64 and 28,095,341.88
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Solution
The fourth proportional to 51,617,941.94, 71,234,639.64 and 28,095,341.88 is: 38,772,594.94
Step by Step Solution
- Step 1: Write the proportion equation
51,617,941.94 : 71,234,639.64 = 28,095,341.88 : x - Step 2: Convert to fraction form
51,617,941.94/71,234,639.64 = 28,095,341.88/x - Step 3: Cross multiply
51,617,941.94x = 71,234,639.64 × 28,095,341.88 - Step 4: Simplify right side
51,617,941.94x = 2,001,361,554,384,400 - Step 5: Solve for x
x = 2,001,361,554,384,400/51,617,941.94 - Step 6: Final answer
x = 38,772,594.94
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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.