Finding the Fourth Proportional to 12,473,313.98, 18,710,641.67 and 3,954,314.75
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Solution
The fourth proportional to 12,473,313.98, 18,710,641.67 and 3,954,314.75 is: 5,931,684.75
Step by Step Solution
- Step 1: Write the proportion equation
12,473,313.98 : 18,710,641.67 = 3,954,314.75 : x - Step 2: Convert to fraction form
12,473,313.98/18,710,641.67 = 3,954,314.75/x - Step 3: Cross multiply
12,473,313.98x = 18,710,641.67 × 3,954,314.75 - Step 4: Simplify right side
12,473,313.98x = 73,987,766,290,869.03 - Step 5: Solve for x
x = 73,987,766,290,869.03/12,473,313.98 - Step 6: Final answer
x = 5,931,684.75
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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.