Finding the Fourth Proportional to 11,349,817.40, 15,663,126.23 and 6,193,461.90
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Solution
The fourth proportional to 11,349,817.40, 15,663,126.23 and 6,193,461.90 is: 8,547,183.81
Step by Step Solution
- Step 1: Write the proportion equation
11,349,817.40 : 15,663,126.23 = 6,193,461.90 : x - Step 2: Convert to fraction form
11,349,817.40/15,663,126.23 = 6,193,461.90/x - Step 3: Cross multiply
11,349,817.40x = 15,663,126.23 × 6,193,461.90 - Step 4: Simplify right side
11,349,817.40x = 97,008,975,540,395.64 - Step 5: Solve for x
x = 97,008,975,540,395.64/11,349,817.40 - Step 6: Final answer
x = 8,547,183.81
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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.