Finding the Fourth Proportional to 11,111,271.93, 15,335,953.62 and 6,761,759.61
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Solution
The fourth proportional to 11,111,271.93, 15,335,953.62 and 6,761,759.61 is: 9,332,687.78
Step by Step Solution
- Step 1: Write the proportion equation
11,111,271.93 : 15,335,953.62 = 6,761,759.61 : x - Step 2: Convert to fraction form
11,111,271.93/15,335,953.62 = 6,761,759.61/x - Step 3: Cross multiply
11,111,271.93x = 15,335,953.62 × 6,761,759.61 - Step 4: Simplify right side
11,111,271.93x = 103,698,031,768,549.28 - Step 5: Solve for x
x = 103,698,031,768,549.28/11,111,271.93 - Step 6: Final answer
x = 9,332,687.78
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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.