Finding the Fourth Proportional to 18,727,208.68, 28,090,812.96 and 5,264,036.68
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Solution
The fourth proportional to 18,727,208.68, 28,090,812.96 and 5,264,036.68 is: 7,896,055.00
Step by Step Solution
- Step 1: Write the proportion equation
18,727,208.68 : 28,090,812.96 = 5,264,036.68 : x - Step 2: Convert to fraction form
18,727,208.68/28,090,812.96 = 5,264,036.68/x - Step 3: Cross multiply
18,727,208.68x = 28,090,812.96 × 5,264,036.68 - Step 4: Simplify right side
18,727,208.68x = 147,871,069,792,459.38 - Step 5: Solve for x
x = 147,871,069,792,459.38/18,727,208.68 - Step 6: Final answer
x = 7,896,055.00
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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.