Finding the Fourth Proportional to 49,076,886.34, 67,722,120.81 and 28,451,661.13
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Solution
The fourth proportional to 49,076,886.34, 67,722,120.81 and 28,451,661.13 is: 39,260,983.65
Step by Step Solution
- Step 1: Write the proportion equation
49,076,886.34 : 67,722,120.81 = 28,451,661.13 : x - Step 2: Convert to fraction form
49,076,886.34/67,722,120.81 = 28,451,661.13/x - Step 3: Cross multiply
49,076,886.34x = 67,722,120.81 × 28,451,661.13 - Step 4: Simplify right side
49,076,886.34x = 1,926,806,832,291,041 - Step 5: Solve for x
x = 1,926,806,832,291,041/49,076,886.34 - Step 6: Final answer
x = 39,260,983.65
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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.