Finding the Fourth Proportional to 18,980,858.62, 26,193,447.98 and 10,278,829.36
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Solution
The fourth proportional to 18,980,858.62, 26,193,447.98 and 10,278,829.36 is: 14,184,710.37
Step by Step Solution
- Step 1: Write the proportion equation
18,980,858.62 : 26,193,447.98 = 10,278,829.36 : x - Step 2: Convert to fraction form
18,980,858.62/26,193,447.98 = 10,278,829.36/x - Step 3: Cross multiply
18,980,858.62x = 26,193,447.98 × 10,278,829.36 - Step 4: Simplify right side
18,980,858.62x = 269,237,982,005,489.47 - Step 5: Solve for x
x = 269,237,982,005,489.47/18,980,858.62 - Step 6: Final answer
x = 14,184,710.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.