Finding the Fourth Proportional to 9,911,861.90, 13,652,883.86 and 7,006,257.44
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Solution
The fourth proportional to 9,911,861.90, 13,652,883.86 and 7,006,257.44 is: 9,650,620.64
Step by Step Solution
- Step 1: Write the proportion equation
9,911,861.90 : 13,652,883.86 = 7,006,257.44 : x - Step 2: Convert to fraction form
9,911,861.90/13,652,883.86 = 7,006,257.44/x - Step 3: Cross multiply
9,911,861.90x = 13,652,883.86 × 7,006,257.44 - Step 4: Simplify right side
9,911,861.90x = 95,655,619,069,483.53 - Step 5: Solve for x
x = 95,655,619,069,483.53/9,911,861.90 - Step 6: Final answer
x = 9,650,620.64
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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.