Finding the Fourth Proportional to 28,474,778.99, 42,703,353.13 and 10,276,670.66
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Solution
The fourth proportional to 28,474,778.99, 42,703,353.13 and 10,276,670.66 is: 15,411,824.49
Step by Step Solution
- Step 1: Write the proportion equation
28,474,778.99 : 42,703,353.13 = 10,276,670.66 : x - Step 2: Convert to fraction form
28,474,778.99/42,703,353.13 = 10,276,670.66/x - Step 3: Cross multiply
28,474,778.99x = 42,703,353.13 × 10,276,670.66 - Step 4: Simplify right side
28,474,778.99x = 438,848,296,194,690.19 - Step 5: Solve for x
x = 438,848,296,194,690.19/28,474,778.99 - Step 6: Final answer
x = 15,411,824.49
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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.