Finding the Fourth Proportional to 11,286,720.72, 15,575,787 and 6,130,182.96
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Solution
The fourth proportional to 11,286,720.72, 15,575,787 and 6,130,182.96 is: 8,459,713.54
Step by Step Solution
- Step 1: Write the proportion equation
11,286,720.72 : 15,575,787 = 6,130,182.96 : x - Step 2: Convert to fraction form
11,286,720.72/15,575,787 = 6,130,182.96/x - Step 3: Cross multiply
11,286,720.72x = 15,575,787 × 6,130,182.96 - Step 4: Simplify right side
11,286,720.72x = 95,482,424,055,989.52 - Step 5: Solve for x
x = 95,482,424,055,989.52/11,286,720.72 - Step 6: Final answer
x = 8,459,713.54
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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.