Finding the Fourth Proportional to 7,198,430.99, 9,933,952.82 and 4,298,075.33
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Solution
The fourth proportional to 7,198,430.99, 9,933,952.82 and 4,298,075.33 is: 5,931,414.44
Step by Step Solution
- Step 1: Write the proportion equation
7,198,430.99 : 9,933,952.82 = 4,298,075.33 : x - Step 2: Convert to fraction form
7,198,430.99/9,933,952.82 = 4,298,075.33/x - Step 3: Cross multiply
7,198,430.99x = 9,933,952.82 × 4,298,075.33 - Step 4: Simplify right side
7,198,430.99x = 42,696,877,473,865.79 - Step 5: Solve for x
x = 42,696,877,473,865.79/7,198,430.99 - Step 6: Final answer
x = 5,931,414.44
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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.