Finding the Fourth Proportional to 7,439,591.80, 10,266,069.86 and 4,175,775.95
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Solution
The fourth proportional to 7,439,591.80, 10,266,069.86 and 4,175,775.95 is: 5,762,252.66
Step by Step Solution
- Step 1: Write the proportion equation
7,439,591.80 : 10,266,069.86 = 4,175,775.95 : x - Step 2: Convert to fraction form
7,439,591.80/10,266,069.86 = 4,175,775.95/x - Step 3: Cross multiply
7,439,591.80x = 10,266,069.86 × 4,175,775.95 - Step 4: Simplify right side
7,439,591.80x = 42,868,807,622,407.87 - Step 5: Solve for x
x = 42,868,807,622,407.87/7,439,591.80 - Step 6: Final answer
x = 5,762,252.66
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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.