Finding the Fourth Proportional to 16,461,100.80, 24,649,660.80 and 13,101,868.80
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Solution
The fourth proportional to 16,461,100.80, 24,649,660.80 and 13,101,868.80 is: 19,619,381.82
Step by Step Solution
- Step 1: Write the proportion equation
16,461,100.80 : 24,649,660.80 = 13,101,868.80 : x - Step 2: Convert to fraction form
16,461,100.80/24,649,660.80 = 13,101,868.80/x - Step 3: Cross multiply
16,461,100.80x = 24,649,660.80 × 13,101,868.80 - Step 4: Simplify right side
16,461,100.80x = 322,956,621,766,103.06 - Step 5: Solve for x
x = 322,956,621,766,103.06/16,461,100.80 - Step 6: Final answer
x = 19,619,381.82
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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.