Finding the Fourth Proportional to 8,217,948.13, 11,340,807.29 and 4,596,276.13
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Solution
The fourth proportional to 8,217,948.13, 11,340,807.29 and 4,596,276.13 is: 6,342,882.80
Step by Step Solution
- Step 1: Write the proportion equation
8,217,948.13 : 11,340,807.29 = 4,596,276.13 : x - Step 2: Convert to fraction form
8,217,948.13/11,340,807.29 = 4,596,276.13/x - Step 3: Cross multiply
8,217,948.13x = 11,340,807.29 × 4,596,276.13 - Step 4: Simplify right side
8,217,948.13x = 52,125,481,841,956.98 - Step 5: Solve for x
x = 52,125,481,841,956.98/8,217,948.13 - Step 6: Final answer
x = 6,342,882.80
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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.