Finding the Fourth Proportional to 12,916,389.24, 19,375,290.99 and 5,238,894.15
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Solution
The fourth proportional to 12,916,389.24, 19,375,290.99 and 5,238,894.15 is: 7,858,628.04
Step by Step Solution
- Step 1: Write the proportion equation
12,916,389.24 : 19,375,290.99 = 5,238,894.15 : x - Step 2: Convert to fraction form
12,916,389.24/19,375,290.99 = 5,238,894.15/x - Step 3: Cross multiply
12,916,389.24x = 19,375,290.99 × 5,238,894.15 - Step 4: Simplify right side
12,916,389.24x = 101,505,098,622,058.70 - Step 5: Solve for x
x = 101,505,098,622,058.70/12,916,389.24 - Step 6: Final answer
x = 7,858,628.04
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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.