Finding the Fourth Proportional to 20,948,644.01, 31,427,488.86 and 6,376,702.99
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Solution
The fourth proportional to 20,948,644.01, 31,427,488.86 and 6,376,702.99 is: 9,566,431.23
Step by Step Solution
- Step 1: Write the proportion equation
20,948,644.01 : 31,427,488.86 = 6,376,702.99 : x - Step 2: Convert to fraction form
20,948,644.01/31,427,488.86 = 6,376,702.99/x - Step 3: Cross multiply
20,948,644.01x = 31,427,488.86 × 6,376,702.99 - Step 4: Simplify right side
20,948,644.01x = 200,403,762,181,753.69 - Step 5: Solve for x
x = 200,403,762,181,753.69/20,948,644.01 - Step 6: Final answer
x = 9,566,431.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.