Finding the Fourth Proportional to 7,037,320.80, 10,543,539.60 and 6,241,058.40
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Solution
The fourth proportional to 7,037,320.80, 10,543,539.60 and 6,241,058.40 is: 9,350,553.75
Step by Step Solution
- Step 1: Write the proportion equation
7,037,320.80 : 10,543,539.60 = 6,241,058.40 : x - Step 2: Convert to fraction form
7,037,320.80/10,543,539.60 = 6,241,058.40/x - Step 3: Cross multiply
7,037,320.80x = 10,543,539.60 × 6,241,058.40 - Step 4: Simplify right side
7,037,320.80x = 65,802,846,386,312.64 - Step 5: Solve for x
x = 65,802,846,386,312.64/7,037,320.80 - Step 6: Final answer
x = 9,350,553.75
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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.