Finding the Fourth Proportional to 19,934,063.70, 29,901,095.55 and 19,745,106.90
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Solution
The fourth proportional to 19,934,063.70, 29,901,095.55 and 19,745,106.90 is: 29,617,660.35
Step by Step Solution
- Step 1: Write the proportion equation
19,934,063.70 : 29,901,095.55 = 19,745,106.90 : x - Step 2: Convert to fraction form
19,934,063.70/29,901,095.55 = 19,745,106.90/x - Step 3: Cross multiply
19,934,063.70x = 29,901,095.55 × 19,745,106.90 - Step 4: Simplify right side
19,934,063.70x = 590,400,328,061,864.25 - Step 5: Solve for x
x = 590,400,328,061,864.25/19,934,063.70 - Step 6: Final answer
x = 29,617,660.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.