Finding the Fourth Proportional to 15,904,634.84, 21,950,177.56 and 9,628,621.44
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Solution
The fourth proportional to 15,904,634.84, 21,950,177.56 and 9,628,621.44 is: 13,288,576.09
Step by Step Solution
- Step 1: Write the proportion equation
15,904,634.84 : 21,950,177.56 = 9,628,621.44 : x - Step 2: Convert to fraction form
15,904,634.84/21,950,177.56 = 9,628,621.44/x - Step 3: Cross multiply
15,904,634.84x = 21,950,177.56 × 9,628,621.44 - Step 4: Simplify right side
15,904,634.84x = 211,349,950,241,951.34 - Step 5: Solve for x
x = 211,349,950,241,951.34/15,904,634.84 - Step 6: Final answer
x = 13,288,576.09
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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.