Finding the Fourth Proportional to 51,997,866.96, 71,756,179.44 and 28,792,495.70
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Solution
The fourth proportional to 51,997,866.96, 71,756,179.44 and 28,792,495.70 is: 39,733,158.47
Step by Step Solution
- Step 1: Write the proportion equation
51,997,866.96 : 71,756,179.44 = 28,792,495.70 : x - Step 2: Convert to fraction form
51,997,866.96/71,756,179.44 = 28,792,495.70/x - Step 3: Cross multiply
51,997,866.96x = 71,756,179.44 × 28,792,495.70 - Step 4: Simplify right side
51,997,866.96x = 2,066,039,487,858,362 - Step 5: Solve for x
x = 2,066,039,487,858,362/51,997,866.96 - Step 6: Final answer
x = 39,733,158.47
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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.