Finding the Fourth Proportional to 11,657,711.70, 17,486,567.55 and 3,679,535.70
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Solution
The fourth proportional to 11,657,711.70, 17,486,567.55 and 3,679,535.70 is: 5,519,303.55
Step by Step Solution
- Step 1: Write the proportion equation
11,657,711.70 : 17,486,567.55 = 3,679,535.70 : x - Step 2: Convert to fraction form
11,657,711.70/17,486,567.55 = 3,679,535.70/x - Step 3: Cross multiply
11,657,711.70x = 17,486,567.55 × 3,679,535.70 - Step 4: Simplify right side
11,657,711.70x = 64,342,449,570,686.54 - Step 5: Solve for x
x = 64,342,449,570,686.54/11,657,711.70 - Step 6: Final answer
x = 5,519,303.55
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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.