Finding the Fourth Proportional to 36,849,621.46, 55,281,516.99 and 14,128,746.70
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Solution
The fourth proportional to 36,849,621.46, 55,281,516.99 and 14,128,746.70 is: 21,195,836.48
Step by Step Solution
- Step 1: Write the proportion equation
36,849,621.46 : 55,281,516.99 = 14,128,746.70 : x - Step 2: Convert to fraction form
36,849,621.46/55,281,516.99 = 14,128,746.70/x - Step 3: Cross multiply
36,849,621.46x = 55,281,516.99 × 14,128,746.70 - Step 4: Simplify right side
36,849,621.46x = 781,058,550,743,456.38 - Step 5: Solve for x
x = 781,058,550,743,456.38/36,849,621.46 - Step 6: Final answer
x = 21,195,836.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.