Finding the Fourth Proportional to 19,214,508.15, 26,513,402.49 and 11,477,908.17
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Solution
The fourth proportional to 19,214,508.15, 26,513,402.49 and 11,477,908.17 is: 15,837,948.94
Step by Step Solution
- Step 1: Write the proportion equation
19,214,508.15 : 26,513,402.49 = 11,477,908.17 : x - Step 2: Convert to fraction form
19,214,508.15/26,513,402.49 = 11,477,908.17/x - Step 3: Cross multiply
19,214,508.15x = 26,513,402.49 × 11,477,908.17 - Step 4: Simplify right side
19,214,508.15x = 304,318,399,054,469.31 - Step 5: Solve for x
x = 304,318,399,054,469.31/19,214,508.15 - Step 6: Final answer
x = 15,837,948.94
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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.