Finding the Fourth Proportional to 13,866,331.93, 19,135,472.75 and 7,754,784.73
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Solution
The fourth proportional to 13,866,331.93, 19,135,472.75 and 7,754,784.73 is: 10,701,566.40
Step by Step Solution
- Step 1: Write the proportion equation
13,866,331.93 : 19,135,472.75 = 7,754,784.73 : x - Step 2: Convert to fraction form
13,866,331.93/19,135,472.75 = 7,754,784.73/x - Step 3: Cross multiply
13,866,331.93x = 19,135,472.75 × 7,754,784.73 - Step 4: Simplify right side
13,866,331.93x = 148,391,471,844,257.19 - Step 5: Solve for x
x = 148,391,471,844,257.19/13,866,331.93 - Step 6: Final answer
x = 10,701,566.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.