Finding the Fourth Proportional to 11,791,474.28, 17,658,867.36 and 6,727,432.04
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Solution
The fourth proportional to 11,791,474.28, 17,658,867.36 and 6,727,432.04 is: 10,074,976.82
Step by Step Solution
- Step 1: Write the proportion equation
11,791,474.28 : 17,658,867.36 = 6,727,432.04 : x - Step 2: Convert to fraction form
11,791,474.28/17,658,867.36 = 6,727,432.04/x - Step 3: Cross multiply
11,791,474.28x = 17,658,867.36 × 6,727,432.04 - Step 4: Simplify right side
11,791,474.28x = 118,798,830,067,774.22 - Step 5: Solve for x
x = 118,798,830,067,774.22/11,791,474.28 - Step 6: Final answer
x = 10,074,976.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.