Finding the Fourth Proportional to 8,075,105.70, 12,099,807.15 and 5,650,848.99
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Solution
The fourth proportional to 8,075,105.70, 12,099,807.15 and 5,650,848.99 is: 8,467,280.25
Step by Step Solution
- Step 1: Write the proportion equation
8,075,105.70 : 12,099,807.15 = 5,650,848.99 : x - Step 2: Convert to fraction form
8,075,105.70/12,099,807.15 = 5,650,848.99/x - Step 3: Cross multiply
8,075,105.70x = 12,099,807.15 × 5,650,848.99 - Step 4: Simplify right side
8,075,105.70x = 68,374,183,012,772.28 - Step 5: Solve for x
x = 68,374,183,012,772.28/8,075,105.70 - Step 6: Final answer
x = 8,467,280.25
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1.5x scale
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.