Finding the Fourth Proportional to 51,855,746.44, 71,562,373.68 and 28,652,368.72
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Solution
The fourth proportional to 51,855,746.44, 71,562,373.68 and 28,652,368.72 is: 39,541,066.48
Step by Step Solution
- Step 1: Write the proportion equation
51,855,746.44 : 71,562,373.68 = 28,652,368.72 : x - Step 2: Convert to fraction form
51,855,746.44/71,562,373.68 = 28,652,368.72/x - Step 3: Cross multiply
51,855,746.44x = 71,562,373.68 × 28,652,368.72 - Step 4: Simplify right side
51,855,746.44x = 2,050,431,517,157,783.50 - Step 5: Solve for x
x = 2,050,431,517,157,783.50/51,855,746.44 - Step 6: Final answer
x = 39,541,066.48
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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.