Finding the Fourth Proportional to 8,130,655.98, 11,220,228.81 and 4,459,497.84
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Solution
The fourth proportional to 8,130,655.98, 11,220,228.81 and 4,459,497.84 is: 6,154,065.09
Step by Step Solution
- Step 1: Write the proportion equation
8,130,655.98 : 11,220,228.81 = 4,459,497.84 : x - Step 2: Convert to fraction form
8,130,655.98/11,220,228.81 = 4,459,497.84/x - Step 3: Cross multiply
8,130,655.98x = 11,220,228.81 × 4,459,497.84 - Step 4: Simplify right side
8,130,655.98x = 50,036,586,142,500.77 - Step 5: Solve for x
x = 50,036,586,142,500.77/8,130,655.98 - Step 6: Final answer
x = 6,154,065.09
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1.5x scale
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.