Finding the Fourth Proportional to 7,647,599.88, 10,553,822.10 and 4,163,038.81
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Solution
The fourth proportional to 7,647,599.88, 10,553,822.10 and 4,163,038.81 is: 5,745,066.64
Step by Step Solution
- Step 1: Write the proportion equation
7,647,599.88 : 10,553,822.10 = 4,163,038.81 : x - Step 2: Convert to fraction form
7,647,599.88/10,553,822.10 = 4,163,038.81/x - Step 3: Cross multiply
7,647,599.88x = 10,553,822.10 × 4,163,038.81 - Step 4: Simplify right side
7,647,599.88x = 43,935,970,969,751.15 - Step 5: Solve for x
x = 43,935,970,969,751.15/7,647,599.88 - Step 6: Final answer
x = 5,745,066.64
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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.