Finding the Fourth Proportional to 29,306,197.14, 40,405,384.89 and 20,943,555.18
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Solution
The fourth proportional to 29,306,197.14, 40,405,384.89 and 20,943,555.18 is: 28,875,544.79
Step by Step Solution
- Step 1: Write the proportion equation
29,306,197.14 : 40,405,384.89 = 20,943,555.18 : x - Step 2: Convert to fraction form
29,306,197.14/40,405,384.89 = 20,943,555.18/x - Step 3: Cross multiply
29,306,197.14x = 40,405,384.89 × 20,943,555.18 - Step 4: Simplify right side
29,306,197.14x = 846,232,408,012,853.25 - Step 5: Solve for x
x = 846,232,408,012,853.25/29,306,197.14 - Step 6: Final answer
x = 28,875,544.79
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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.