Finding the Fourth Proportional to 11,290,567.34, 15,581,301.68 and 6,395,787.97
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Solution
The fourth proportional to 11,290,567.34, 15,581,301.68 and 6,395,787.97 is: 8,826,367.96
Step by Step Solution
- Step 1: Write the proportion equation
11,290,567.34 : 15,581,301.68 = 6,395,787.97 : x - Step 2: Convert to fraction form
11,290,567.34/15,581,301.68 = 6,395,787.97/x - Step 3: Cross multiply
11,290,567.34x = 15,581,301.68 × 6,395,787.97 - Step 4: Simplify right side
11,290,567.34x = 99,654,701,818,921 - Step 5: Solve for x
x = 99,654,701,818,921/11,290,567.34 - Step 6: Final answer
x = 8,826,367.96
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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.