Finding the Fourth Proportional to 12,302,425.05, 18,453,637.58 and 5,111,569.05
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Solution
The fourth proportional to 12,302,425.05, 18,453,637.58 and 5,111,569.05 is: 7,667,353.58
Step by Step Solution
- Step 1: Write the proportion equation
12,302,425.05 : 18,453,637.58 = 5,111,569.05 : x - Step 2: Convert to fraction form
12,302,425.05/18,453,637.58 = 5,111,569.05/x - Step 3: Cross multiply
12,302,425.05x = 18,453,637.58 × 5,111,569.05 - Step 4: Simplify right side
12,302,425.05x = 94,327,042,688,287.05 - Step 5: Solve for x
x = 94,327,042,688,287.05/12,302,425.05 - Step 6: Final answer
x = 7,667,353.58
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Similar ratio
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1.5x scale
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.