Finding the Fourth Proportional to 11,065,454.30, 15,270,393.66 and 6,170,985.74
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Solution
The fourth proportional to 11,065,454.30, 15,270,393.66 and 6,170,985.74 is: 8,515,997.53
Step by Step Solution
- Step 1: Write the proportion equation
11,065,454.30 : 15,270,393.66 = 6,170,985.74 : x - Step 2: Convert to fraction form
11,065,454.30/15,270,393.66 = 6,170,985.74/x - Step 3: Cross multiply
11,065,454.30x = 15,270,393.66 × 6,170,985.74 - Step 4: Simplify right side
11,065,454.30x = 94,233,381,520,046.41 - Step 5: Solve for x
x = 94,233,381,520,046.41/11,065,454.30 - Step 6: Final answer
x = 8,515,997.53
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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.