Finding the Fourth Proportional to 28,484,131.66, 42,726,198.02 and 6,918,588.03
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Solution
The fourth proportional to 28,484,131.66, 42,726,198.02 and 6,918,588.03 is: 10,377,882.17
Step by Step Solution
- Step 1: Write the proportion equation
28,484,131.66 : 42,726,198.02 = 6,918,588.03 : x - Step 2: Convert to fraction form
28,484,131.66/42,726,198.02 = 6,918,588.03/x - Step 3: Cross multiply
28,484,131.66x = 42,726,198.02 × 6,918,588.03 - Step 4: Simplify right side
28,484,131.66x = 295,604,962,153,988.75 - Step 5: Solve for x
x = 295,604,962,153,988.75/28,484,131.66 - Step 6: Final answer
x = 10,377,882.17
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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.