Finding the Fourth Proportional to 19,782,385.74, 29,622,475.08 and 13,653,285.42
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Solution
The fourth proportional to 19,782,385.74, 29,622,475.08 and 13,653,285.42 is: 20,444,657.81
Step by Step Solution
- Step 1: Write the proportion equation
19,782,385.74 : 29,622,475.08 = 13,653,285.42 : x - Step 2: Convert to fraction form
19,782,385.74/29,622,475.08 = 13,653,285.42/x - Step 3: Cross multiply
19,782,385.74x = 29,622,475.08 × 13,653,285.42 - Step 4: Simplify right side
19,782,385.74x = 404,444,107,114,077.31 - Step 5: Solve for x
x = 404,444,107,114,077.31/19,782,385.74 - Step 6: Final answer
x = 20,444,657.81
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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.