Finding the Fourth Proportional to 11,890,347.12, 16,408,710.36 and 6,995,753.64
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Solution
The fourth proportional to 11,890,347.12, 16,408,710.36 and 6,995,753.64 is: 9,654,158.46
Step by Step Solution
- Step 1: Write the proportion equation
11,890,347.12 : 16,408,710.36 = 6,995,753.64 : x - Step 2: Convert to fraction form
11,890,347.12/16,408,710.36 = 6,995,753.64/x - Step 3: Cross multiply
11,890,347.12x = 16,408,710.36 × 6,995,753.64 - Step 4: Simplify right side
11,890,347.12x = 114,791,295,228,675.70 - Step 5: Solve for x
x = 114,791,295,228,675.70/11,890,347.12 - Step 6: Final answer
x = 9,654,158.46
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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.