Finding the Fourth Proportional to 8,478,327.18, 11,700,181.02 and 4,610,847.30
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Solution
The fourth proportional to 8,478,327.18, 11,700,181.02 and 4,610,847.30 is: 6,363,017.95
Step by Step Solution
- Step 1: Write the proportion equation
8,478,327.18 : 11,700,181.02 = 4,610,847.30 : x - Step 2: Convert to fraction form
8,478,327.18/11,700,181.02 = 4,610,847.30/x - Step 3: Cross multiply
8,478,327.18x = 11,700,181.02 × 4,610,847.30 - Step 4: Simplify right side
8,478,327.18x = 53,947,748,065,578.24 - Step 5: Solve for x
x = 53,947,748,065,578.24/8,478,327.18 - Step 6: Final answer
x = 6,363,017.95
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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.