Finding the Fourth Proportional to 9,618,869.84, 14,438,026.98 and 8,531,782.20
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Solution
The fourth proportional to 9,618,869.84, 14,438,026.98 and 8,531,782.20 is: 12,806,296.76
Step by Step Solution
- Step 1: Write the proportion equation
9,618,869.84 : 14,438,026.98 = 8,531,782.20 : x - Step 2: Convert to fraction form
9,618,869.84/14,438,026.98 = 8,531,782.20/x - Step 3: Cross multiply
9,618,869.84x = 14,438,026.98 × 8,531,782.20 - Step 4: Simplify right side
9,618,869.84x = 123,182,101,591,083.75 - Step 5: Solve for x
x = 123,182,101,591,083.75/9,618,869.84 - Step 6: Final answer
x = 12,806,296.76
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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.