Finding the Fourth Proportional to 10,289,589.64, 15,440,362.80 and 4,609,813.75
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Solution
The fourth proportional to 10,289,589.64, 15,440,362.80 and 4,609,813.75 is: 6,917,398.96
Step by Step Solution
- Step 1: Write the proportion equation
10,289,589.64 : 15,440,362.80 = 4,609,813.75 : x - Step 2: Convert to fraction form
10,289,589.64/15,440,362.80 = 4,609,813.75/x - Step 3: Cross multiply
10,289,589.64x = 15,440,362.80 × 4,609,813.75 - Step 4: Simplify right side
10,289,589.64x = 71,177,196,684,540.78 - Step 5: Solve for x
x = 71,177,196,684,540.78/10,289,589.64 - Step 6: Final answer
x = 6,917,398.96
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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.