Finding the Fourth Proportional to 18,931,085.10, 26,124,904.41 and 10,229,257.68
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Solution
The fourth proportional to 18,931,085.10, 26,124,904.41 and 10,229,257.68 is: 14,116,379.37
Step by Step Solution
- Step 1: Write the proportion equation
18,931,085.10 : 26,124,904.41 = 10,229,257.68 : x - Step 2: Convert to fraction form
18,931,085.10/26,124,904.41 = 10,229,257.68/x - Step 3: Cross multiply
18,931,085.10x = 26,124,904.41 × 10,229,257.68 - Step 4: Simplify right side
18,931,085.10x = 267,238,379,075,258.38 - Step 5: Solve for x
x = 267,238,379,075,258.38/18,931,085.10 - Step 6: Final answer
x = 14,116,379.37
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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.