Finding the Fourth Proportional to 16,439,864.38, 22,687,056.97 and 9,098,203.79
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Solution
The fourth proportional to 16,439,864.38, 22,687,056.97 and 9,098,203.79 is: 12,555,545.65
Step by Step Solution
- Step 1: Write the proportion equation
16,439,864.38 : 22,687,056.97 = 9,098,203.79 : x - Step 2: Convert to fraction form
16,439,864.38/22,687,056.97 = 9,098,203.79/x - Step 3: Cross multiply
16,439,864.38x = 22,687,056.97 × 9,098,203.79 - Step 4: Simplify right side
16,439,864.38x = 206,411,467,742,372.06 - Step 5: Solve for x
x = 206,411,467,742,372.06/16,439,864.38 - Step 6: Final answer
x = 12,555,545.65
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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.