Finding the Fourth Proportional to 11,508,139.98, 15,881,154.93 and 6,351,501.42
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Solution
The fourth proportional to 11,508,139.98, 15,881,154.93 and 6,351,501.42 is: 8,765,028.78
Step by Step Solution
- Step 1: Write the proportion equation
11,508,139.98 : 15,881,154.93 = 6,351,501.42 : x - Step 2: Convert to fraction form
11,508,139.98/15,881,154.93 = 6,351,501.42/x - Step 3: Cross multiply
11,508,139.98x = 15,881,154.93 × 6,351,501.42 - Step 4: Simplify right side
11,508,139.98x = 100,869,178,089,135 - Step 5: Solve for x
x = 100,869,178,089,135/11,508,139.98 - Step 6: Final answer
x = 8,765,028.78
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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.