Finding the Fourth Proportional to 13,313,376.29, 19,971,202.95 and 4,676,721.99
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Solution
The fourth proportional to 13,313,376.29, 19,971,202.95 and 4,676,721.99 is: 7,015,482.92
Step by Step Solution
- Step 1: Write the proportion equation
13,313,376.29 : 19,971,202.95 = 4,676,721.99 : x - Step 2: Convert to fraction form
13,313,376.29/19,971,202.95 = 4,676,721.99/x - Step 3: Cross multiply
13,313,376.29x = 19,971,202.95 × 4,676,721.99 - Step 4: Simplify right side
13,313,376.29x = 93,399,764,003,017.88 - Step 5: Solve for x
x = 93,399,764,003,017.88/13,313,376.29 - Step 6: Final answer
x = 7,015,482.92
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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.