Finding the Fourth Proportional to 10,403,823.40, 15,608,456.70 and 4,014,284.20
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Solution
The fourth proportional to 10,403,823.40, 15,608,456.70 and 4,014,284.20 is: 6,022,476.42
Step by Step Solution
- Step 1: Write the proportion equation
10,403,823.40 : 15,608,456.70 = 4,014,284.20 : x - Step 2: Convert to fraction form
10,403,823.40/15,608,456.70 = 4,014,284.20/x - Step 3: Cross multiply
10,403,823.40x = 15,608,456.70 × 4,014,284.20 - Step 4: Simplify right side
10,403,823.40x = 62,656,781,117,194.14 - Step 5: Solve for x
x = 62,656,781,117,194.14/10,403,823.40 - Step 6: Final answer
x = 6,022,476.42
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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.