Finding the Fourth Proportional to 10,367,679.92, 15,558,461.40 and 4,302,417.92
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Solution
The fourth proportional to 10,367,679.92, 15,558,461.40 and 4,302,417.92 is: 6,456,507.50
Step by Step Solution
- Step 1: Write the proportion equation
10,367,679.92 : 15,558,461.40 = 4,302,417.92 : x - Step 2: Convert to fraction form
10,367,679.92/15,558,461.40 = 4,302,417.92/x - Step 3: Cross multiply
10,367,679.92x = 15,558,461.40 × 4,302,417.92 - Step 4: Simplify right side
10,367,679.92x = 66,939,003,134,988.29 - Step 5: Solve for x
x = 66,939,003,134,988.29/10,367,679.92 - Step 6: Final answer
x = 6,456,507.50
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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.