Finding the Fourth Proportional to 9,963,603.12, 14,890,812.99 and 7,273,593.12
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Solution
The fourth proportional to 9,963,603.12, 14,890,812.99 and 7,273,593.12 is: 10,870,536.85
Step by Step Solution
- Step 1: Write the proportion equation
9,963,603.12 : 14,890,812.99 = 7,273,593.12 : x - Step 2: Convert to fraction form
9,963,603.12/14,890,812.99 = 7,273,593.12/x - Step 3: Cross multiply
9,963,603.12x = 14,890,812.99 × 7,273,593.12 - Step 4: Simplify right side
9,963,603.12x = 108,309,714,915,270.62 - Step 5: Solve for x
x = 108,309,714,915,270.62/9,963,603.12 - Step 6: Final answer
x = 10,870,536.85
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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.