Finding the Fourth Proportional to 11,687,346.52, 16,128,228.76 and 6,530,750.44
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Solution
The fourth proportional to 11,687,346.52, 16,128,228.76 and 6,530,750.44 is: 9,012,262.70
Step by Step Solution
- Step 1: Write the proportion equation
11,687,346.52 : 16,128,228.76 = 6,530,750.44 : x - Step 2: Convert to fraction form
11,687,346.52/16,128,228.76 = 6,530,750.44/x - Step 3: Cross multiply
11,687,346.52x = 16,128,228.76 × 6,530,750.44 - Step 4: Simplify right side
11,687,346.52x = 105,329,437,070,790.66 - Step 5: Solve for x
x = 105,329,437,070,790.66/11,687,346.52 - Step 6: Final answer
x = 9,012,262.70
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1.5x scale
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.