Finding the Fourth Proportional to 27,572,963.84, 38,049,199.84 and 15,180,644.24
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Solution
The fourth proportional to 27,572,963.84, 38,049,199.84 and 15,180,644.24 is: 20,948,468.57
Step by Step Solution
- Step 1: Write the proportion equation
27,572,963.84 : 38,049,199.84 = 15,180,644.24 : x - Step 2: Convert to fraction form
27,572,963.84/38,049,199.84 = 15,180,644.24/x - Step 3: Cross multiply
27,572,963.84x = 38,049,199.84 × 15,180,644.24 - Step 4: Simplify right side
27,572,963.84x = 577,611,366,387,705 - Step 5: Solve for x
x = 577,611,366,387,705/27,572,963.84 - Step 6: Final answer
x = 20,948,468.57
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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.