Finding the Fourth Proportional to 8,496,820.37, 12,745,242.62 and 6,486,478.49
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Solution
The fourth proportional to 8,496,820.37, 12,745,242.62 and 6,486,478.49 is: 9,729,726.94
Step by Step Solution
- Step 1: Write the proportion equation
8,496,820.37 : 12,745,242.62 = 6,486,478.49 : x - Step 2: Convert to fraction form
8,496,820.37/12,745,242.62 = 6,486,478.49/x - Step 3: Cross multiply
8,496,820.37x = 12,745,242.62 × 6,486,478.49 - Step 4: Simplify right side
8,496,820.37x = 82,671,742,008,302.64 - Step 5: Solve for x
x = 82,671,742,008,302.64/8,496,820.37 - Step 6: Final answer
x = 9,729,726.94
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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.