Finding the Fourth Proportional to 10,974,339.81, 15,141,852.99 and 6,329,545.47
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Solution
The fourth proportional to 10,974,339.81, 15,141,852.99 and 6,329,545.47 is: 8,733,194.77
Step by Step Solution
- Step 1: Write the proportion equation
10,974,339.81 : 15,141,852.99 = 6,329,545.47 : x - Step 2: Convert to fraction form
10,974,339.81/15,141,852.99 = 6,329,545.47/x - Step 3: Cross multiply
10,974,339.81x = 15,141,852.99 × 6,329,545.47 - Step 4: Simplify right side
10,974,339.81x = 95,841,047,000,260.45 - Step 5: Solve for x
x = 95,841,047,000,260.45/10,974,339.81 - Step 6: Final answer
x = 8,733,194.77
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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.