Finding the Fourth Proportional to 19,781,691.86, 29,621,435.11 and 13,652,586.08
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Solution
The fourth proportional to 19,781,691.86, 29,621,435.11 and 13,652,586.08 is: 20,443,609.96
Step by Step Solution
- Step 1: Write the proportion equation
19,781,691.86 : 29,621,435.11 = 13,652,586.08 : x - Step 2: Convert to fraction form
19,781,691.86/29,621,435.11 = 13,652,586.08/x - Step 3: Cross multiply
19,781,691.86x = 29,621,435.11 × 13,652,586.08 - Step 4: Simplify right side
19,781,691.86x = 404,409,192,652,409.25 - Step 5: Solve for x
x = 404,409,192,652,409.25/19,781,691.86 - Step 6: Final answer
x = 20,443,609.96
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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.