Finding the Fourth Proportional to 10,430,270.17, 15,649,900.75 and 5,641,330.66
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Solution
The fourth proportional to 10,430,270.17, 15,649,900.75 and 5,641,330.66 is: 8,464,427.43
Step by Step Solution
- Step 1: Write the proportion equation
10,430,270.17 : 15,649,900.75 = 5,641,330.66 : x - Step 2: Convert to fraction form
10,430,270.17/15,649,900.75 = 5,641,330.66/x - Step 3: Cross multiply
10,430,270.17x = 15,649,900.75 × 5,641,330.66 - Step 4: Simplify right side
10,430,270.17x = 88,286,264,894,858.91 - Step 5: Solve for x
x = 88,286,264,894,858.91/10,430,270.17 - Step 6: Final answer
x = 8,464,427.43
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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.