Finding the Fourth Proportional to 11,487,615.60, 15,852,909.60 and 6,330,977.22
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Solution
The fourth proportional to 11,487,615.60, 15,852,909.60 and 6,330,977.22 is: 8,736,748.60
Step by Step Solution
- Step 1: Write the proportion equation
11,487,615.60 : 15,852,909.60 = 6,330,977.22 : x - Step 2: Convert to fraction form
11,487,615.60/15,852,909.60 = 6,330,977.22/x - Step 3: Cross multiply
11,487,615.60x = 15,852,909.60 × 6,330,977.22 - Step 4: Simplify right side
11,487,615.60x = 100,364,409,548,319.31 - Step 5: Solve for x
x = 100,364,409,548,319.31/11,487,615.60 - Step 6: Final answer
x = 8,736,748.60
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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.