Finding the Fourth Proportional to 13,207,610.80, 19,811,416.20 and 11,648,717.20
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Solution
The fourth proportional to 13,207,610.80, 19,811,416.20 and 11,648,717.20 is: 17,473,075.80
Step by Step Solution
- Step 1: Write the proportion equation
13,207,610.80 : 19,811,416.20 = 11,648,717.20 : x - Step 2: Convert to fraction form
13,207,610.80/19,811,416.20 = 11,648,717.20/x - Step 3: Cross multiply
13,207,610.80x = 19,811,416.20 × 11,648,717.20 - Step 4: Simplify right side
13,207,610.80x = 230,777,584,645,298.62 - Step 5: Solve for x
x = 230,777,584,645,298.62/13,207,610.80 - Step 6: Final answer
x = 17,473,075.80
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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.