Finding the Fourth Proportional to 18,441,903.80, 27,670,728.90 and 8,852,346.20
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Solution
The fourth proportional to 18,441,903.80, 27,670,728.90 and 8,852,346.20 is: 13,282,298.54
Step by Step Solution
- Step 1: Write the proportion equation
18,441,903.80 : 27,670,728.90 = 8,852,346.20 : x - Step 2: Convert to fraction form
18,441,903.80/27,670,728.90 = 8,852,346.20/x - Step 3: Cross multiply
18,441,903.80x = 27,670,728.90 × 8,852,346.20 - Step 4: Simplify right side
18,441,903.80x = 244,950,871,829,145.16 - Step 5: Solve for x
x = 244,950,871,829,145.16/18,441,903.80 - Step 6: Final answer
x = 13,282,298.54
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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.