Finding the Fourth Proportional to 15,039,325.24, 20,754,295.16 and 8,163,811.96
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Solution
The fourth proportional to 15,039,325.24, 20,754,295.16 and 8,163,811.96 is: 11,266,074.80
Step by Step Solution
- Step 1: Write the proportion equation
15,039,325.24 : 20,754,295.16 = 8,163,811.96 : x - Step 2: Convert to fraction form
15,039,325.24/20,754,295.16 = 8,163,811.96/x - Step 3: Cross multiply
15,039,325.24x = 20,754,295.16 × 8,163,811.96 - Step 4: Simplify right side
15,039,325.24x = 169,434,163,048,578.12 - Step 5: Solve for x
x = 169,434,163,048,578.12/15,039,325.24 - Step 6: Final answer
x = 11,266,074.80
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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.