Finding the Fourth Proportional to 11,235,081.42, 15,515,120.30 and 10,623,002.06
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Solution
The fourth proportional to 11,235,081.42, 15,515,120.30 and 10,623,002.06 is: 14,669,867.41
Step by Step Solution
- Step 1: Write the proportion equation
11,235,081.42 : 15,515,120.30 = 10,623,002.06 : x - Step 2: Convert to fraction form
11,235,081.42/15,515,120.30 = 10,623,002.06/x - Step 3: Cross multiply
11,235,081.42x = 15,515,120.30 × 10,623,002.06 - Step 4: Simplify right side
11,235,081.42x = 164,817,154,777,357.19 - Step 5: Solve for x
x = 164,817,154,777,357.19/11,235,081.42 - Step 6: Final answer
x = 14,669,867.41
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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.