Finding the Fourth Proportional to 25,645,237.99, 35,390,369.34 and 14,042,699.98
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Solution
The fourth proportional to 25,645,237.99, 35,390,369.34 and 14,042,699.98 is: 19,378,893.62
Step by Step Solution
- Step 1: Write the proportion equation
25,645,237.99 : 35,390,369.34 = 14,042,699.98 : x - Step 2: Convert to fraction form
25,645,237.99/35,390,369.34 = 14,042,699.98/x - Step 3: Cross multiply
25,645,237.99x = 35,390,369.34 × 14,042,699.98 - Step 4: Simplify right side
25,645,237.99x = 496,976,338,734,534.69 - Step 5: Solve for x
x = 496,976,338,734,534.69/25,645,237.99 - Step 6: Final answer
x = 19,378,893.62
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1.5x scale
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.