Finding the Fourth Proportional to 19,689,464.66, 29,534,196.96 and 5,312,532.44
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Solution
The fourth proportional to 19,689,464.66, 29,534,196.96 and 5,312,532.44 is: 7,968,798.65
Step by Step Solution
- Step 1: Write the proportion equation
19,689,464.66 : 29,534,196.96 = 5,312,532.44 : x - Step 2: Convert to fraction form
19,689,464.66/29,534,196.96 = 5,312,532.44/x - Step 3: Cross multiply
19,689,464.66x = 29,534,196.96 × 5,312,532.44 - Step 4: Simplify right side
19,689,464.66x = 156,901,379,291,678.38 - Step 5: Solve for x
x = 156,901,379,291,678.38/19,689,464.66 - Step 6: Final answer
x = 7,968,798.65
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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.