Finding the Fourth Proportional to 7,558,928.19, 11,331,678.15 and 2,946,851.37
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Solution
The fourth proportional to 7,558,928.19, 11,331,678.15 and 2,946,851.37 is: 4,417,659.55
Step by Step Solution
- Step 1: Write the proportion equation
7,558,928.19 : 11,331,678.15 = 2,946,851.37 : x - Step 2: Convert to fraction form
7,558,928.19/11,331,678.15 = 2,946,851.37/x - Step 3: Cross multiply
7,558,928.19x = 11,331,678.15 × 2,946,851.37 - Step 4: Simplify right side
7,558,928.19x = 33,392,771,280,726.57 - Step 5: Solve for x
x = 33,392,771,280,726.57/7,558,928.19 - Step 6: Final answer
x = 4,417,659.55
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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.