Finding the Fourth Proportional to 7,141,951.12, 10,712,943.96 and 1,750,625.68
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Solution
The fourth proportional to 7,141,951.12, 10,712,943.96 and 1,750,625.68 is: 2,625,942.76
Step by Step Solution
- Step 1: Write the proportion equation
7,141,951.12 : 10,712,943.96 = 1,750,625.68 : x - Step 2: Convert to fraction form
7,141,951.12/10,712,943.96 = 1,750,625.68/x - Step 3: Cross multiply
7,141,951.12x = 10,712,943.96 × 1,750,625.68 - Step 4: Simplify right side
7,141,951.12x = 18,754,354,804,776.89 - Step 5: Solve for x
x = 18,754,354,804,776.89/7,141,951.12 - Step 6: Final answer
x = 2,625,942.76
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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.