Finding the Fourth Proportional to 13,333,638.84, 20,000,312.42 and 3,236,259.84
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Solution
The fourth proportional to 13,333,638.84, 20,000,312.42 and 3,236,259.84 is: 4,854,354.36
Step by Step Solution
- Step 1: Write the proportion equation
13,333,638.84 : 20,000,312.42 = 3,236,259.84 : x - Step 2: Convert to fraction form
13,333,638.84/20,000,312.42 = 3,236,259.84/x - Step 3: Cross multiply
13,333,638.84x = 20,000,312.42 × 3,236,259.84 - Step 4: Simplify right side
13,333,638.84x = 64,726,207,856,117.91 - Step 5: Solve for x
x = 64,726,207,856,117.91/13,333,638.84 - Step 6: Final answer
x = 4,854,354.36
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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.