Finding the Fourth Proportional to 14,408,782.88, 19,884,277.40 and 7,882,272.23
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Solution
The fourth proportional to 14,408,782.88, 19,884,277.40 and 7,882,272.23 is: 10,877,621.57
Step by Step Solution
- Step 1: Write the proportion equation
14,408,782.88 : 19,884,277.40 = 7,882,272.23 : x - Step 2: Convert to fraction form
14,408,782.88/19,884,277.40 = 7,882,272.23/x - Step 3: Cross multiply
14,408,782.88x = 19,884,277.40 × 7,882,272.23 - Step 4: Simplify right side
14,408,782.88x = 156,733,287,424,803.84 - Step 5: Solve for x
x = 156,733,287,424,803.84/14,408,782.88 - Step 6: Final answer
x = 10,877,621.57
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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.