Finding the Fourth Proportional to 19,963,812.04, 27,550,143.66 and 10,796,454.79
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Solution
The fourth proportional to 19,963,812.04, 27,550,143.66 and 10,796,454.79 is: 14,899,152.52
Step by Step Solution
- Step 1: Write the proportion equation
19,963,812.04 : 27,550,143.66 = 10,796,454.79 : x - Step 2: Convert to fraction form
19,963,812.04/27,550,143.66 = 10,796,454.79/x - Step 3: Cross multiply
19,963,812.04x = 27,550,143.66 × 10,796,454.79 - Step 4: Simplify right side
19,963,812.04x = 297,443,880,441,215.31 - Step 5: Solve for x
x = 297,443,880,441,215.31/19,963,812.04 - Step 6: Final answer
x = 14,899,152.52
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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.