Finding the Fourth Proportional to 13,257,882.84, 19,891,682.16 and 5,583,459.60
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Solution
The fourth proportional to 13,257,882.84, 19,891,682.16 and 5,583,459.60 is: 8,377,235.27
Step by Step Solution
- Step 1: Write the proportion equation
13,257,882.84 : 19,891,682.16 = 5,583,459.60 : x - Step 2: Convert to fraction form
13,257,882.84/19,891,682.16 = 5,583,459.60/x - Step 3: Cross multiply
13,257,882.84x = 19,891,682.16 × 5,583,459.60 - Step 4: Simplify right side
13,257,882.84x = 111,064,403,716,400.73 - Step 5: Solve for x
x = 111,064,403,716,400.73/13,257,882.84 - Step 6: Final answer
x = 8,377,235.27
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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.