Finding the Fourth Proportional to 7,772,811.86, 11,656,691.62 and 2,584,028.54
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Solution
The fourth proportional to 7,772,811.86, 11,656,691.62 and 2,584,028.54 is: 3,875,202.99
Step by Step Solution
- Step 1: Write the proportion equation
7,772,811.86 : 11,656,691.62 = 2,584,028.54 : x - Step 2: Convert to fraction form
7,772,811.86/11,656,691.62 = 2,584,028.54/x - Step 3: Cross multiply
7,772,811.86x = 11,656,691.62 × 2,584,028.54 - Step 4: Simplify right side
7,772,811.86x = 30,121,223,763,315.30 - Step 5: Solve for x
x = 30,121,223,763,315.30/7,772,811.86 - Step 6: Final answer
x = 3,875,202.99
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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.