Finding the Fourth Proportional to 19,162,273.76, 26,440,399.95 and 10,901,853.79
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Solution
The fourth proportional to 19,162,273.76, 26,440,399.95 and 10,901,853.79 is: 15,042,545.47
Step by Step Solution
- Step 1: Write the proportion equation
19,162,273.76 : 26,440,399.95 = 10,901,853.79 : x - Step 2: Convert to fraction form
19,162,273.76/26,440,399.95 = 10,901,853.79/x - Step 3: Cross multiply
19,162,273.76x = 26,440,399.95 × 10,901,853.79 - Step 4: Simplify right side
19,162,273.76x = 288,249,374,472,008.31 - Step 5: Solve for x
x = 288,249,374,472,008.31/19,162,273.76 - Step 6: Final answer
x = 15,042,545.47
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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.