Finding the Fourth Proportional to 11,413,777.68, 15,751,011.78 and 6,257,175.68
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Solution
The fourth proportional to 11,413,777.68, 15,751,011.78 and 6,257,175.68 is: 8,634,901.66
Step by Step Solution
- Step 1: Write the proportion equation
11,413,777.68 : 15,751,011.78 = 6,257,175.68 : x - Step 2: Convert to fraction form
11,413,777.68/15,751,011.78 = 6,257,175.68/x - Step 3: Cross multiply
11,413,777.68x = 15,751,011.78 × 6,257,175.68 - Step 4: Simplify right side
11,413,777.68x = 98,556,847,845,209.50 - Step 5: Solve for x
x = 98,556,847,845,209.50/11,413,777.68 - Step 6: Final answer
x = 8,634,901.66
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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.