Finding the Fourth Proportional to 19,284,288.48, 28,926,354.78 and 6,985,373.19
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Solution
The fourth proportional to 19,284,288.48, 28,926,354.78 and 6,985,373.19 is: 10,478,031.55
Step by Step Solution
- Step 1: Write the proportion equation
19,284,288.48 : 28,926,354.78 = 6,985,373.19 : x - Step 2: Convert to fraction form
19,284,288.48/28,926,354.78 = 6,985,373.19/x - Step 3: Cross multiply
19,284,288.48x = 28,926,354.78 × 6,985,373.19 - Step 4: Simplify right side
19,284,288.48x = 202,061,383,164,640.38 - Step 5: Solve for x
x = 202,061,383,164,640.38/19,284,288.48 - Step 6: Final answer
x = 10,478,031.55
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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.