Finding the Fourth Proportional to 9,963,605.12, 14,890,815.97 and 7,273,595.12
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Solution
The fourth proportional to 9,963,605.12, 14,890,815.97 and 7,273,595.12 is: 10,870,539.84
Step by Step Solution
- Step 1: Write the proportion equation
9,963,605.12 : 14,890,815.97 = 7,273,595.12 : x - Step 2: Convert to fraction form
9,963,605.12/14,890,815.97 = 7,273,595.12/x - Step 3: Cross multiply
9,963,605.12x = 14,890,815.97 × 7,273,595.12 - Step 4: Simplify right side
9,963,605.12x = 108,309,766,372,210.08 - Step 5: Solve for x
x = 108,309,766,372,210.08/9,963,605.12 - Step 6: Final answer
x = 10,870,539.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.