Finding the Fourth Proportional to 18,894,655.74, 28,346,480.82 and 6,115,160.46
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Solution
The fourth proportional to 18,894,655.74, 28,346,480.82 and 6,115,160.46 is: 9,174,196.19
Step by Step Solution
- Step 1: Write the proportion equation
18,894,655.74 : 28,346,480.82 = 6,115,160.46 : x - Step 2: Convert to fraction form
18,894,655.74/28,346,480.82 = 6,115,160.46/x - Step 3: Cross multiply
18,894,655.74x = 28,346,480.82 × 6,115,160.46 - Step 4: Simplify right side
18,894,655.74x = 173,343,278,690,612.38 - Step 5: Solve for x
x = 173,343,278,690,612.38/18,894,655.74 - Step 6: Final answer
x = 9,174,196.19
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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.