Finding the Fourth Proportional to 18,047,656.78, 24,905,596.70 and 9,787,901.49
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Solution
The fourth proportional to 18,047,656.78, 24,905,596.70 and 9,787,901.49 is: 13,507,212.05
Step by Step Solution
- Step 1: Write the proportion equation
18,047,656.78 : 24,905,596.70 = 9,787,901.49 : x - Step 2: Convert to fraction form
18,047,656.78/24,905,596.70 = 9,787,901.49/x - Step 3: Cross multiply
18,047,656.78x = 24,905,596.70 × 9,787,901.49 - Step 4: Simplify right side
18,047,656.78x = 243,773,527,073,738.84 - Step 5: Solve for x
x = 243,773,527,073,738.84/18,047,656.78 - Step 6: Final answer
x = 13,507,212.05
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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.