Finding the Fourth Proportional to 28,152,571.84, 42,202,231.62 and 21,225,303.88
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Solution
The fourth proportional to 28,152,571.84, 42,202,231.62 and 21,225,303.88 is: 31,817,881.35
Step by Step Solution
- Step 1: Write the proportion equation
28,152,571.84 : 42,202,231.62 = 21,225,303.88 : x - Step 2: Convert to fraction form
28,152,571.84/42,202,231.62 = 21,225,303.88/x - Step 3: Cross multiply
28,152,571.84x = 42,202,231.62 × 21,225,303.88 - Step 4: Simplify right side
28,152,571.84x = 895,755,190,548,644.62 - Step 5: Solve for x
x = 895,755,190,548,644.62/28,152,571.84 - Step 6: Final answer
x = 31,817,881.35
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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.