Finding the Fourth Proportional to 47,783,905.16, 65,946,845.84 and 29,209,919.19
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Solution
The fourth proportional to 47,783,905.16, 65,946,845.84 and 29,209,919.19 is: 40,312,779.61
Step by Step Solution
- Step 1: Write the proportion equation
47,783,905.16 : 65,946,845.84 = 29,209,919.19 : x - Step 2: Convert to fraction form
47,783,905.16/65,946,845.84 = 29,209,919.19/x - Step 3: Cross multiply
47,783,905.16x = 65,946,845.84 × 29,209,919.19 - Step 4: Simplify right side
47,783,905.16x = 1,926,302,037,592,743.25 - Step 5: Solve for x
x = 1,926,302,037,592,743.25/47,783,905.16 - Step 6: Final answer
x = 40,312,779.61
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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.