Finding the Fourth Proportional to 36,124,523.84, 49,838,973.36 and 21,428,933.60
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Solution
The fourth proportional to 36,124,523.84, 49,838,973.36 and 21,428,933.60 is: 29,564,294.21
Step by Step Solution
- Step 1: Write the proportion equation
36,124,523.84 : 49,838,973.36 = 21,428,933.60 : x - Step 2: Convert to fraction form
36,124,523.84/49,838,973.36 = 21,428,933.60/x - Step 3: Cross multiply
36,124,523.84x = 49,838,973.36 × 21,428,933.60 - Step 4: Simplify right side
36,124,523.84x = 1,067,996,050,823,609 - Step 5: Solve for x
x = 1,067,996,050,823,609/36,124,523.84 - Step 6: Final answer
x = 29,564,294.21
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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.