Finding the Fourth Proportional to 14,297,049.18, 19,730,127.87 and 7,770,676.68
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Solution
The fourth proportional to 14,297,049.18, 19,730,127.87 and 7,770,676.68 is: 10,723,642.52
Step by Step Solution
- Step 1: Write the proportion equation
14,297,049.18 : 19,730,127.87 = 7,770,676.68 : x - Step 2: Convert to fraction form
14,297,049.18/19,730,127.87 = 7,770,676.68/x - Step 3: Cross multiply
14,297,049.18x = 19,730,127.87 × 7,770,676.68 - Step 4: Simplify right side
14,297,049.18x = 153,316,444,532,827.06 - Step 5: Solve for x
x = 153,316,444,532,827.06/14,297,049.18 - Step 6: Final answer
x = 10,723,642.52
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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.