Finding the Fourth Proportional to 12,197,153.74, 18,293,767.53 and 3,559,226.17
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Solution
The fourth proportional to 12,197,153.74, 18,293,767.53 and 3,559,226.17 is: 5,338,266.41
Step by Step Solution
- Step 1: Write the proportion equation
12,197,153.74 : 18,293,767.53 = 3,559,226.17 : x - Step 2: Convert to fraction form
12,197,153.74/18,293,767.53 = 3,559,226.17/x - Step 3: Cross multiply
12,197,153.74x = 18,293,767.53 × 3,559,226.17 - Step 4: Simplify right side
12,197,153.74x = 65,111,656,140,672.27 - Step 5: Solve for x
x = 65,111,656,140,672.27/12,197,153.74 - Step 6: Final answer
x = 5,338,266.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.