Finding the Fourth Proportional to 28,660,687.84, 39,551,358.54 and 16,270,678.36
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Solution
The fourth proportional to 28,660,687.84, 39,551,358.54 and 16,270,678.36 is: 22,453,314.35
Step by Step Solution
- Step 1: Write the proportion equation
28,660,687.84 : 39,551,358.54 = 16,270,678.36 : x - Step 2: Convert to fraction form
28,660,687.84/39,551,358.54 = 16,270,678.36/x - Step 3: Cross multiply
28,660,687.84x = 39,551,358.54 × 16,270,678.36 - Step 4: Simplify right side
28,660,687.84x = 643,527,433,505,379.12 - Step 5: Solve for x
x = 643,527,433,505,379.12/28,660,687.84 - Step 6: Final answer
x = 22,453,314.35
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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.