Finding the Fourth Proportional to 19,303,283.80, 28,954,909.20 and 4,926,350.44
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Solution
The fourth proportional to 19,303,283.80, 28,954,909.20 and 4,926,350.44 is: 7,389,521.45
Step by Step Solution
- Step 1: Write the proportion equation
19,303,283.80 : 28,954,909.20 = 4,926,350.44 : x - Step 2: Convert to fraction form
19,303,283.80/28,954,909.20 = 4,926,350.44/x - Step 3: Cross multiply
19,303,283.80x = 28,954,909.20 × 4,926,350.44 - Step 4: Simplify right side
19,303,283.80x = 142,642,029,677,580.06 - Step 5: Solve for x
x = 142,642,029,677,580.06/19,303,283.80 - Step 6: Final answer
x = 7,389,521.45
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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.