Finding the Fourth Proportional to 12,116,224.18, 16,720,443.93 and 6,609,581.74
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Solution
The fourth proportional to 12,116,224.18, 16,720,443.93 and 6,609,581.74 is: 9,121,252.57
Step by Step Solution
- Step 1: Write the proportion equation
12,116,224.18 : 16,720,443.93 = 6,609,581.74 : x - Step 2: Convert to fraction form
12,116,224.18/16,720,443.93 = 6,609,581.74/x - Step 3: Cross multiply
12,116,224.18x = 16,720,443.93 × 6,609,581.74 - Step 4: Simplify right side
12,116,224.18x = 110,515,140,884,421.84 - Step 5: Solve for x
x = 110,515,140,884,421.84/12,116,224.18 - Step 6: Final answer
x = 9,121,252.57
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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.