Finding the Fourth Proportional to 7,077,285.11, 10,615,955.34 and 2,153,365.84
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Solution
The fourth proportional to 7,077,285.11, 10,615,955.34 and 2,153,365.84 is: 3,230,057.18
Step by Step Solution
- Step 1: Write the proportion equation
7,077,285.11 : 10,615,955.34 = 2,153,365.84 : x - Step 2: Convert to fraction form
7,077,285.11/10,615,955.34 = 2,153,365.84/x - Step 3: Cross multiply
7,077,285.11x = 10,615,955.34 × 2,153,365.84 - Step 4: Simplify right side
7,077,285.11x = 22,860,035,588,121.58 - Step 5: Solve for x
x = 22,860,035,588,121.58/7,077,285.11 - Step 6: Final answer
x = 3,230,057.18
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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.