Finding the Fourth Proportional to 10,363,921.05, 15,545,881.58 and 4,969,794.90
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Solution
The fourth proportional to 10,363,921.05, 15,545,881.58 and 4,969,794.90 is: 7,454,692.35
Step by Step Solution
- Step 1: Write the proportion equation
10,363,921.05 : 15,545,881.58 = 4,969,794.90 : x - Step 2: Convert to fraction form
10,363,921.05/15,545,881.58 = 4,969,794.90/x - Step 3: Cross multiply
10,363,921.05x = 15,545,881.58 × 4,969,794.90 - Step 4: Simplify right side
10,363,921.05x = 77,259,842,967,438.97 - Step 5: Solve for x
x = 77,259,842,967,438.97/10,363,921.05 - Step 6: Final answer
x = 7,454,692.35
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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.