Finding the Fourth Proportional to 11,186,490.62, 15,437,204.70 and 6,291,710.78
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Solution
The fourth proportional to 11,186,490.62, 15,437,204.70 and 6,291,710.78 is: 8,682,475.18
Step by Step Solution
- Step 1: Write the proportion equation
11,186,490.62 : 15,437,204.70 = 6,291,710.78 : x - Step 2: Convert to fraction form
11,186,490.62/15,437,204.70 = 6,291,710.78/x - Step 3: Cross multiply
11,186,490.62x = 15,437,204.70 × 6,291,710.78 - Step 4: Simplify right side
11,186,490.62x = 97,126,427,146,870.64 - Step 5: Solve for x
x = 97,126,427,146,870.64/11,186,490.62 - Step 6: Final answer
x = 8,682,475.18
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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.