Finding the Fourth Proportional to 18,506,473.38, 25,539,731.49 and 10,246,535.84
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Solution
The fourth proportional to 18,506,473.38, 25,539,731.49 and 10,246,535.84 is: 14,140,661.42
Step by Step Solution
- Step 1: Write the proportion equation
18,506,473.38 : 25,539,731.49 = 10,246,535.84 : x - Step 2: Convert to fraction form
18,506,473.38/25,539,731.49 = 10,246,535.84/x - Step 3: Cross multiply
18,506,473.38x = 25,539,731.49 × 10,246,535.84 - Step 4: Simplify right side
18,506,473.38x = 261,693,774,158,535.41 - Step 5: Solve for x
x = 261,693,774,158,535.41/18,506,473.38 - Step 6: Final answer
x = 14,140,661.42
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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.