Finding the Fourth Proportional to 11,385,638.04, 15,712,357.64 and 6,229,085.70
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Solution
The fourth proportional to 11,385,638.04, 15,712,357.64 and 6,229,085.70 is: 8,596,235.18
Step by Step Solution
- Step 1: Write the proportion equation
11,385,638.04 : 15,712,357.64 = 6,229,085.70 : x - Step 2: Convert to fraction form
11,385,638.04/15,712,357.64 = 6,229,085.70/x - Step 3: Cross multiply
11,385,638.04x = 15,712,357.64 × 6,229,085.70 - Step 4: Simplify right side
11,385,638.04x = 97,873,622,288,609.75 - Step 5: Solve for x
x = 97,873,622,288,609.75/11,385,638.04 - Step 6: Final answer
x = 8,596,235.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.