Finding the Fourth Proportional to 10,822,137.74, 14,927,365.01 and 6,959,545.82
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Solution
The fourth proportional to 10,822,137.74, 14,927,365.01 and 6,959,545.82 is: 9,599,552.62
Step by Step Solution
- Step 1: Write the proportion equation
10,822,137.74 : 14,927,365.01 = 6,959,545.82 : x - Step 2: Convert to fraction form
10,822,137.74/14,927,365.01 = 6,959,545.82/x - Step 3: Cross multiply
10,822,137.74x = 14,927,365.01 × 6,959,545.82 - Step 4: Simplify right side
10,822,137.74x = 103,887,680,718,551.97 - Step 5: Solve for x
x = 103,887,680,718,551.97/10,822,137.74 - Step 6: Final answer
x = 9,599,552.62
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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.