Finding the Fourth Proportional to 19,964,734.20, 29,947,101.30 and 10,894,807.80
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Solution
The fourth proportional to 19,964,734.20, 29,947,101.30 and 10,894,807.80 is: 16,342,211.70
Step by Step Solution
- Step 1: Write the proportion equation
19,964,734.20 : 29,947,101.30 = 10,894,807.80 : x - Step 2: Convert to fraction form
19,964,734.20/29,947,101.30 = 10,894,807.80/x - Step 3: Cross multiply
19,964,734.20x = 29,947,101.30 × 10,894,807.80 - Step 4: Simplify right side
19,964,734.20x = 326,267,912,830,630.19 - Step 5: Solve for x
x = 326,267,912,830,630.19/19,964,734.20 - Step 6: Final answer
x = 16,342,211.70
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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.