Finding the Fourth Proportional to 16,354,582.28, 22,569,472.80 and 9,012,678.84
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Solution
The fourth proportional to 16,354,582.28, 22,569,472.80 and 9,012,678.84 is: 12,437,579.05
Step by Step Solution
- Step 1: Write the proportion equation
16,354,582.28 : 22,569,472.80 = 9,012,678.84 : x - Step 2: Convert to fraction form
16,354,582.28/22,569,472.80 = 9,012,678.84/x - Step 3: Cross multiply
16,354,582.28x = 22,569,472.80 × 9,012,678.84 - Step 4: Simplify right side
16,354,582.28x = 203,411,409,934,515.56 - Step 5: Solve for x
x = 203,411,409,934,515.56/16,354,582.28 - Step 6: Final answer
x = 12,437,579.05
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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.