Finding the Fourth Proportional to 19,516,143.66, 26,923,446.27 and 11,778,712.62
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Solution
The fourth proportional to 19,516,143.66, 26,923,446.27 and 11,778,712.62 is: 16,249,292.99
Step by Step Solution
- Step 1: Write the proportion equation
19,516,143.66 : 26,923,446.27 = 11,778,712.62 : x - Step 2: Convert to fraction form
19,516,143.66/26,923,446.27 = 11,778,712.62/x - Step 3: Cross multiply
19,516,143.66x = 26,923,446.27 × 11,778,712.62 - Step 4: Simplify right side
19,516,143.66x = 317,123,536,354,340.88 - Step 5: Solve for x
x = 317,123,536,354,340.88/19,516,143.66 - Step 6: Final answer
x = 16,249,292.99
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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.