Finding the Fourth Proportional to 11,271,652.79, 15,554,886.48 and 6,115,012.97
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Solution
The fourth proportional to 11,271,652.79, 15,554,886.48 and 6,115,012.97 is: 8,438,720.95
Step by Step Solution
- Step 1: Write the proportion equation
11,271,652.79 : 15,554,886.48 = 6,115,012.97 : x - Step 2: Convert to fraction form
11,271,652.79/15,554,886.48 = 6,115,012.97/x - Step 3: Cross multiply
11,271,652.79x = 15,554,886.48 × 6,115,012.97 - Step 4: Simplify right side
11,271,652.79x = 95,118,332,494,303.22 - Step 5: Solve for x
x = 95,118,332,494,303.22/11,271,652.79 - Step 6: Final answer
x = 8,438,720.95
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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.