Finding the Fourth Proportional to 19,936,673.55, 29,905,010.19 and 4,790,605.05
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Solution
The fourth proportional to 19,936,673.55, 29,905,010.19 and 4,790,605.05 is: 7,185,907.54
Step by Step Solution
- Step 1: Write the proportion equation
19,936,673.55 : 29,905,010.19 = 4,790,605.05 : x - Step 2: Convert to fraction form
19,936,673.55/29,905,010.19 = 4,790,605.05/x - Step 3: Cross multiply
19,936,673.55x = 29,905,010.19 × 4,790,605.05 - Step 4: Simplify right side
19,936,673.55x = 143,263,092,836,515.47 - Step 5: Solve for x
x = 143,263,092,836,515.47/19,936,673.55 - Step 6: Final answer
x = 7,185,907.54
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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.