Finding the Fourth Proportional to 18,354,701.06, 27,507,250.25 and 6,988,949.54
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Solution
The fourth proportional to 18,354,701.06, 27,507,250.25 and 6,988,949.54 is: 10,473,980.66
Step by Step Solution
- Step 1: Write the proportion equation
18,354,701.06 : 27,507,250.25 = 6,988,949.54 : x - Step 2: Convert to fraction form
18,354,701.06/27,507,250.25 = 6,988,949.54/x - Step 3: Cross multiply
18,354,701.06x = 27,507,250.25 × 6,988,949.54 - Step 4: Simplify right side
18,354,701.06x = 192,246,783,938,282.16 - Step 5: Solve for x
x = 192,246,783,938,282.16/18,354,701.06 - Step 6: Final answer
x = 10,473,980.66
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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.