Finding the Fourth Proportional to 16,343,386.22, 22,555,466.06 and 12,206,234.81
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Solution
The fourth proportional to 16,343,386.22, 22,555,466.06 and 12,206,234.81 is: 16,845,793.84
Step by Step Solution
- Step 1: Write the proportion equation
16,343,386.22 : 22,555,466.06 = 12,206,234.81 : x - Step 2: Convert to fraction form
16,343,386.22/22,555,466.06 = 12,206,234.81/x - Step 3: Cross multiply
16,343,386.22x = 22,555,466.06 × 12,206,234.81 - Step 4: Simplify right side
16,343,386.22x = 275,317,314,826,423.75 - Step 5: Solve for x
x = 275,317,314,826,423.75/16,343,386.22 - Step 6: Final answer
x = 16,845,793.84
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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.