Finding the Fourth Proportional to 19,266,201.72, 28,879,072.74 and 6,482,268.18
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Solution
The fourth proportional to 19,266,201.72, 28,879,072.74 and 6,482,268.18 is: 9,716,595.78
Step by Step Solution
- Step 1: Write the proportion equation
19,266,201.72 : 28,879,072.74 = 6,482,268.18 : x - Step 2: Convert to fraction form
19,266,201.72/28,879,072.74 = 6,482,268.18/x - Step 3: Cross multiply
19,266,201.72x = 28,879,072.74 × 6,482,268.18 - Step 4: Simplify right side
19,266,201.72x = 187,201,894,290,407.41 - Step 5: Solve for x
x = 187,201,894,290,407.41/19,266,201.72 - Step 6: Final answer
x = 9,716,595.78
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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.