Finding the Fourth Proportional to 9,988,613.43, 14,977,197.27 and 3,070,291.14
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Solution
The fourth proportional to 9,988,613.43, 14,977,197.27 and 3,070,291.14 is: 4,603,677.62
Step by Step Solution
- Step 1: Write the proportion equation
9,988,613.43 : 14,977,197.27 = 3,070,291.14 : x - Step 2: Convert to fraction form
9,988,613.43/14,977,197.27 = 3,070,291.14/x - Step 3: Cross multiply
9,988,613.43x = 14,977,197.27 × 3,070,291.14 - Step 4: Simplify right side
9,988,613.43x = 45,984,356,080,113.19 - Step 5: Solve for x
x = 45,984,356,080,113.19/9,988,613.43 - Step 6: Final answer
x = 4,603,677.62
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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.