Finding the Fourth Proportional to 30,338,677.66, 45,509,344.49 and 8,775,459.09
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Solution
The fourth proportional to 30,338,677.66, 45,509,344.49 and 8,775,459.09 is: 13,163,572.76
Step by Step Solution
- Step 1: Write the proportion equation
30,338,677.66 : 45,509,344.49 = 8,775,459.09 : x - Step 2: Convert to fraction form
30,338,677.66/45,509,344.49 = 8,775,459.09/x - Step 3: Cross multiply
30,338,677.66x = 45,509,344.49 × 8,775,459.09 - Step 4: Simplify right side
30,338,677.66x = 399,365,390,784,711.94 - Step 5: Solve for x
x = 399,365,390,784,711.94/30,338,677.66 - Step 6: Final answer
x = 13,163,572.76
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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.