Finding the Fourth Proportional to 28,236,363.76, 38,966,182.44 and 16,013,220.76
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Solution
The fourth proportional to 28,236,363.76, 38,966,182.44 and 16,013,220.76 is: 22,098,244.90
Step by Step Solution
- Step 1: Write the proportion equation
28,236,363.76 : 38,966,182.44 = 16,013,220.76 : x - Step 2: Convert to fraction form
28,236,363.76/38,966,182.44 = 16,013,220.76/x - Step 3: Cross multiply
28,236,363.76x = 38,966,182.44 × 16,013,220.76 - Step 4: Simplify right side
28,236,363.76x = 623,974,081,586,155.38 - Step 5: Solve for x
x = 623,974,081,586,155.38/28,236,363.76 - Step 6: Final answer
x = 22,098,244.90
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1.5x scale
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.