Finding the Fourth Proportional to 7,647,437.61, 10,553,701.55 and 4,163,008.41
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Solution
The fourth proportional to 7,647,437.61, 10,553,701.55 and 4,163,008.41 is: 5,745,080.97
Step by Step Solution
- Step 1: Write the proportion equation
7,647,437.61 : 10,553,701.55 = 4,163,008.41 : x - Step 2: Convert to fraction form
7,647,437.61/10,553,701.55 = 4,163,008.41/x - Step 3: Cross multiply
7,647,437.61x = 10,553,701.55 × 4,163,008.41 - Step 4: Simplify right side
7,647,437.61x = 43,935,148,288,464.99 - Step 5: Solve for x
x = 43,935,148,288,464.99/7,647,437.61 - Step 6: Final answer
x = 5,745,080.97
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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.