Finding the Fourth Proportional to 47,664,221.76, 65,774,689.20 and 27,037,225.08
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Solution
The fourth proportional to 47,664,221.76, 65,774,689.20 and 27,037,225.08 is: 37,310,271.96
Step by Step Solution
- Step 1: Write the proportion equation
47,664,221.76 : 65,774,689.20 = 27,037,225.08 : x - Step 2: Convert to fraction form
47,664,221.76/65,774,689.20 = 27,037,225.08/x - Step 3: Cross multiply
47,664,221.76x = 65,774,689.20 × 27,037,225.08 - Step 4: Simplify right side
47,664,221.76x = 1,778,365,076,467,445 - Step 5: Solve for x
x = 1,778,365,076,467,445/47,664,221.76 - Step 6: Final answer
x = 37,310,271.96
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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.