Finding the Fourth Proportional to 20,971,641.41, 31,458,583.12 and 6,595,830.21
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Solution
The fourth proportional to 20,971,641.41, 31,458,583.12 and 6,595,830.21 is: 9,894,097.88
Step by Step Solution
- Step 1: Write the proportion equation
20,971,641.41 : 31,458,583.12 = 6,595,830.21 : x - Step 2: Convert to fraction form
20,971,641.41/31,458,583.12 = 6,595,830.21/x - Step 3: Cross multiply
20,971,641.41x = 31,458,583.12 × 6,595,830.21 - Step 4: Simplify right side
20,971,641.41x = 207,495,472,906,692.06 - Step 5: Solve for x
x = 207,495,472,906,692.06/20,971,641.41 - Step 6: Final answer
x = 9,894,097.88
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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.