Finding the Fourth Proportional to 11,157,555.12, 16,729,829.66 and 4,326,147.50
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Solution
The fourth proportional to 11,157,555.12, 16,729,829.66 and 4,326,147.50 is: 6,486,699.82
Step by Step Solution
- Step 1: Write the proportion equation
11,157,555.12 : 16,729,829.66 = 4,326,147.50 : x - Step 2: Convert to fraction form
11,157,555.12/16,729,829.66 = 4,326,147.50/x - Step 3: Cross multiply
11,157,555.12x = 16,729,829.66 × 4,326,147.50 - Step 4: Simplify right side
11,157,555.12x = 72,375,710,759,034.84 - Step 5: Solve for x
x = 72,375,710,759,034.84/11,157,555.12 - Step 6: Final answer
x = 6,486,699.82
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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.