Finding the Fourth Proportional to 19,468,739.38, 29,182,515.36 and 7,332,952
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Solution
The fourth proportional to 19,468,739.38, 29,182,515.36 and 7,332,952 is: 10,991,671.32
Step by Step Solution
- Step 1: Write the proportion equation
19,468,739.38 : 29,182,515.36 = 7,332,952 : x - Step 2: Convert to fraction form
19,468,739.38/29,182,515.36 = 7,332,952/x - Step 3: Cross multiply
19,468,739.38x = 29,182,515.36 × 7,332,952 - Step 4: Simplify right side
19,468,739.38x = 213,993,984,374,142.72 - Step 5: Solve for x
x = 213,993,984,374,142.72/19,468,739.38 - Step 6: Final answer
x = 10,991,671.32
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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.