Finding the Fourth Proportional to 7,201,486.58, 10,786,837.95 and 5,829,335.45
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Solution
The fourth proportional to 7,201,486.58, 10,786,837.95 and 5,829,335.45 is: 8,731,543.98
Step by Step Solution
- Step 1: Write the proportion equation
7,201,486.58 : 10,786,837.95 = 5,829,335.45 : x - Step 2: Convert to fraction form
7,201,486.58/10,786,837.95 = 5,829,335.45/x - Step 3: Cross multiply
7,201,486.58x = 10,786,837.95 × 5,829,335.45 - Step 4: Simplify right side
7,201,486.58x = 62,880,096,801,406.13 - Step 5: Solve for x
x = 62,880,096,801,406.13/7,201,486.58 - Step 6: Final answer
x = 8,731,543.98
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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.