Finding the Fourth Proportional to 8,785,294.68, 12,115,189.40 and 6,850,849.44
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Solution
The fourth proportional to 8,785,294.68, 12,115,189.40 and 6,850,849.44 is: 9,447,530.39
Step by Step Solution
- Step 1: Write the proportion equation
8,785,294.68 : 12,115,189.40 = 6,850,849.44 : x - Step 2: Convert to fraction form
8,785,294.68/12,115,189.40 = 6,850,849.44/x - Step 3: Cross multiply
8,785,294.68x = 12,115,189.40 × 6,850,849.44 - Step 4: Simplify right side
8,785,294.68x = 82,999,338,516,483.94 - Step 5: Solve for x
x = 82,999,338,516,483.94/8,785,294.68 - Step 6: Final answer
x = 9,447,530.39
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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.