Finding the Fourth Proportional to 13,277,243.24, 18,304,927.47 and 9,955,404.84
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Solution
The fourth proportional to 13,277,243.24, 18,304,927.47 and 9,955,404.84 is: 13,725,210.89
Step by Step Solution
- Step 1: Write the proportion equation
13,277,243.24 : 18,304,927.47 = 9,955,404.84 : x - Step 2: Convert to fraction form
13,277,243.24/18,304,927.47 = 9,955,404.84/x - Step 3: Cross multiply
13,277,243.24x = 18,304,927.47 × 9,955,404.84 - Step 4: Simplify right side
13,277,243.24x = 182,232,963,389,385.31 - Step 5: Solve for x
x = 182,232,963,389,385.31/13,277,243.24 - Step 6: Final answer
x = 13,725,210.89
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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.