Finding the Fourth Proportional to 15,045,730.36, 20,762,811.34 and 8,851,446.52
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Solution
The fourth proportional to 15,045,730.36, 20,762,811.34 and 8,851,446.52 is: 12,214,821.74
Step by Step Solution
- Step 1: Write the proportion equation
15,045,730.36 : 20,762,811.34 = 8,851,446.52 : x - Step 2: Convert to fraction form
15,045,730.36/20,762,811.34 = 8,851,446.52/x - Step 3: Cross multiply
15,045,730.36x = 20,762,811.34 × 8,851,446.52 - Step 4: Simplify right side
15,045,730.36x = 183,780,914,254,895.22 - Step 5: Solve for x
x = 183,780,914,254,895.22/15,045,730.36 - Step 6: Final answer
x = 12,214,821.74
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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.