Finding the Fourth Proportional to 52,110,968.26, 78,167,117.60 and 13,772,151.13
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Solution
The fourth proportional to 52,110,968.26, 78,167,117.60 and 13,772,151.13 is: 20,658,402.49
Step by Step Solution
- Step 1: Write the proportion equation
52,110,968.26 : 78,167,117.60 = 13,772,151.13 : x - Step 2: Convert to fraction form
52,110,968.26/78,167,117.60 = 13,772,151.13/x - Step 3: Cross multiply
52,110,968.26x = 78,167,117.60 × 13,772,151.13 - Step 4: Simplify right side
52,110,968.26x = 1,076,529,356,558,416.88 - Step 5: Solve for x
x = 1,076,529,356,558,416.88/52,110,968.26 - Step 6: Final answer
x = 20,658,402.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.