Finding the Fourth Proportional to 19,800,717.49, 29,701,099.93 and 5,423,909.23
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Solution
The fourth proportional to 19,800,717.49, 29,701,099.93 and 5,423,909.23 is: 8,135,870.34
Step by Step Solution
- Step 1: Write the proportion equation
19,800,717.49 : 29,701,099.93 = 5,423,909.23 : x - Step 2: Convert to fraction form
19,800,717.49/29,701,099.93 = 5,423,909.23/x - Step 3: Cross multiply
19,800,717.49x = 29,701,099.93 × 5,423,909.23 - Step 4: Simplify right side
19,800,717.49x = 161,096,070,051,479.38 - Step 5: Solve for x
x = 161,096,070,051,479.38/19,800,717.49 - Step 6: Final answer
x = 8,135,870.34
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1.5x scale
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.