Finding the Fourth Proportional to 14,408,861.84, 19,884,386.22 and 7,882,351.28
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Solution
The fourth proportional to 14,408,861.84, 19,884,386.22 and 7,882,351.28 is: 10,877,730.59
Step by Step Solution
- Step 1: Write the proportion equation
14,408,861.84 : 19,884,386.22 = 7,882,351.28 : x - Step 2: Convert to fraction form
14,408,861.84/19,884,386.22 = 7,882,351.28/x - Step 3: Cross multiply
14,408,861.84x = 19,884,386.22 × 7,882,351.28 - Step 4: Simplify right side
14,408,861.84x = 156,735,717,173,231.34 - Step 5: Solve for x
x = 156,735,717,173,231.34/14,408,861.84 - Step 6: Final answer
x = 10,877,730.59
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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.