Finding the Fourth Proportional to 28,910,202.84, 39,896,144.64 and 16,687,050.12
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Solution
The fourth proportional to 28,910,202.84, 39,896,144.64 and 16,687,050.12 is: 23,028,166.52
Step by Step Solution
- Step 1: Write the proportion equation
28,910,202.84 : 39,896,144.64 = 16,687,050.12 : x - Step 2: Convert to fraction form
28,910,202.84/39,896,144.64 = 16,687,050.12/x - Step 3: Cross multiply
28,910,202.84x = 39,896,144.64 × 16,687,050.12 - Step 4: Simplify right side
28,910,202.84x = 665,748,965,202,449.38 - Step 5: Solve for x
x = 665,748,965,202,449.38/28,910,202.84 - Step 6: Final answer
x = 23,028,166.52
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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.