Finding the Fourth Proportional to 19,625,890.74, 27,083,730.36 and 10,923,876.78
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Solution
The fourth proportional to 19,625,890.74, 27,083,730.36 and 10,923,876.78 is: 15,074,950.59
Step by Step Solution
- Step 1: Write the proportion equation
19,625,890.74 : 27,083,730.36 = 10,923,876.78 : x - Step 2: Convert to fraction form
19,625,890.74/27,083,730.36 = 10,923,876.78/x - Step 3: Cross multiply
19,625,890.74x = 27,083,730.36 × 10,923,876.78 - Step 4: Simplify right side
19,625,890.74x = 295,859,333,195,385 - Step 5: Solve for x
x = 295,859,333,195,385/19,625,890.74 - Step 6: Final answer
x = 15,074,950.59
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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.