Finding the Fourth Proportional to 19,628,963.26, 29,443,838.56 and 5,252,007.99
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Solution
The fourth proportional to 19,628,963.26, 29,443,838.56 and 5,252,007.99 is: 7,878,117.31
Step by Step Solution
- Step 1: Write the proportion equation
19,628,963.26 : 29,443,838.56 = 5,252,007.99 : x - Step 2: Convert to fraction form
19,628,963.26/29,443,838.56 = 5,252,007.99/x - Step 3: Cross multiply
19,628,963.26x = 29,443,838.56 × 5,252,007.99 - Step 4: Simplify right side
19,628,963.26x = 154,639,275,334,595.44 - Step 5: Solve for x
x = 154,639,275,334,595.44/19,628,963.26 - Step 6: Final answer
x = 7,878,117.31
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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.