Finding the Fourth Proportional to 18,865,883.31, 26,034,246.68 and 10,493,208.87
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Solution
The fourth proportional to 18,865,883.31, 26,034,246.68 and 10,493,208.87 is: 14,480,254.31
Step by Step Solution
- Step 1: Write the proportion equation
18,865,883.31 : 26,034,246.68 = 10,493,208.87 : x - Step 2: Convert to fraction form
18,865,883.31/26,034,246.68 = 10,493,208.87/x - Step 3: Cross multiply
18,865,883.31x = 26,034,246.68 × 10,493,208.87 - Step 4: Simplify right side
18,865,883.31x = 273,182,788,133,878 - Step 5: Solve for x
x = 273,182,788,133,878/18,865,883.31 - Step 6: Final answer
x = 14,480,254.31
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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.