Finding the Fourth Proportional to 8,687,564.70, 13,031,347.05 and 3,638,348.70
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Solution
The fourth proportional to 8,687,564.70, 13,031,347.05 and 3,638,348.70 is: 5,457,523.05
Step by Step Solution
- Step 1: Write the proportion equation
8,687,564.70 : 13,031,347.05 = 3,638,348.70 : x - Step 2: Convert to fraction form
8,687,564.70/13,031,347.05 = 3,638,348.70/x - Step 3: Cross multiply
8,687,564.70x = 13,031,347.05 × 3,638,348.70 - Step 4: Simplify right side
8,687,564.70x = 47,412,584,598,616.34 - Step 5: Solve for x
x = 47,412,584,598,616.34/8,687,564.70 - Step 6: Final answer
x = 5,457,523.05
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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.