Finding the Fourth Proportional to 14,257,913.11, 19,675,901.82 and 7,731,531.61
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Solution
The fourth proportional to 14,257,913.11, 19,675,901.82 and 7,731,531.61 is: 10,669,503.71
Step by Step Solution
- Step 1: Write the proportion equation
14,257,913.11 : 19,675,901.82 = 7,731,531.61 : x - Step 2: Convert to fraction form
14,257,913.11/19,675,901.82 = 7,731,531.61/x - Step 3: Cross multiply
14,257,913.11x = 19,675,901.82 × 7,731,531.61 - Step 4: Simplify right side
14,257,913.11x = 152,124,856,812,900.12 - Step 5: Solve for x
x = 152,124,856,812,900.12/14,257,913.11 - Step 6: Final answer
x = 10,669,503.71
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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.