Finding the Fourth Proportional to 18,291,037.32, 27,436,567.76 and 4,645,207.08
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Solution
The fourth proportional to 18,291,037.32, 27,436,567.76 and 4,645,207.08 is: 6,967,813.61
Step by Step Solution
- Step 1: Write the proportion equation
18,291,037.32 : 27,436,567.76 = 4,645,207.08 : x - Step 2: Convert to fraction form
18,291,037.32/27,436,567.76 = 4,645,207.08/x - Step 3: Cross multiply
18,291,037.32x = 27,436,567.76 × 4,645,207.08 - Step 4: Simplify right side
18,291,037.32x = 127,448,538,809,651.75 - Step 5: Solve for x
x = 127,448,538,809,651.75/18,291,037.32 - Step 6: Final answer
x = 6,967,813.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.