Finding the Fourth Proportional to 12,409,555.91, 17,126,221.77 and 6,903,968.09
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Solution
The fourth proportional to 12,409,555.91, 17,126,221.77 and 6,903,968.09 is: 9,528,051.56
Step by Step Solution
- Step 1: Write the proportion equation
12,409,555.91 : 17,126,221.77 = 6,903,968.09 : x - Step 2: Convert to fraction form
12,409,555.91/17,126,221.77 = 6,903,968.09/x - Step 3: Cross multiply
12,409,555.91x = 17,126,221.77 × 6,903,968.09 - Step 4: Simplify right side
12,409,555.91x = 118,238,888,516,712.20 - Step 5: Solve for x
x = 118,238,888,516,712.20/12,409,555.91 - Step 6: Final answer
x = 9,528,051.56
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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.