Finding the Fourth Proportional to 10,643,291.97, 14,689,880.06 and 6,965,851.47
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Solution
The fourth proportional to 10,643,291.97, 14,689,880.06 and 6,965,851.47 is: 9,614,273.75
Step by Step Solution
- Step 1: Write the proportion equation
10,643,291.97 : 14,689,880.06 = 6,965,851.47 : x - Step 2: Convert to fraction form
10,643,291.97/14,689,880.06 = 6,965,851.47/x - Step 3: Cross multiply
10,643,291.97x = 14,689,880.06 × 6,965,851.47 - Step 4: Simplify right side
10,643,291.97x = 102,327,522,575,245.42 - Step 5: Solve for x
x = 102,327,522,575,245.42/10,643,291.97 - Step 6: Final answer
x = 9,614,273.75
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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.