Finding the Fourth Proportional to 16,464,065.75, 22,720,410.74 and 9,220,721.75
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Solution
The fourth proportional to 16,464,065.75, 22,720,410.74 and 9,220,721.75 is: 12,724,596.02
Step by Step Solution
- Step 1: Write the proportion equation
16,464,065.75 : 22,720,410.74 = 9,220,721.75 : x - Step 2: Convert to fraction form
16,464,065.75/22,720,410.74 = 9,220,721.75/x - Step 3: Cross multiply
16,464,065.75x = 22,720,410.74 × 9,220,721.75 - Step 4: Simplify right side
16,464,065.75x = 209,498,585,479,251.59 - Step 5: Solve for x
x = 209,498,585,479,251.59/16,464,065.75 - Step 6: Final answer
x = 12,724,596.02
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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.