Finding the Fourth Proportional to 14,810,979.47, 22,208,480.78 and 6,719,540.15
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Solution
The fourth proportional to 14,810,979.47, 22,208,480.78 and 6,719,540.15 is: 10,075,685.99
Step by Step Solution
- Step 1: Write the proportion equation
14,810,979.47 : 22,208,480.78 = 6,719,540.15 : x - Step 2: Convert to fraction form
14,810,979.47/22,208,480.78 = 6,719,540.15/x - Step 3: Cross multiply
14,810,979.47x = 22,208,480.78 × 6,719,540.15 - Step 4: Simplify right side
14,810,979.47x = 149,230,778,293,636.81 - Step 5: Solve for x
x = 149,230,778,293,636.81/14,810,979.47 - Step 6: Final answer
x = 10,075,685.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.