Finding the Fourth Proportional to 7,764,368.49, 11,646,128.99 and 2,373,017.09
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Solution
The fourth proportional to 7,764,368.49, 11,646,128.99 and 2,373,017.09 is: 3,559,396.12
Step by Step Solution
- Step 1: Write the proportion equation
7,764,368.49 : 11,646,128.99 = 2,373,017.09 : x - Step 2: Convert to fraction form
7,764,368.49/11,646,128.99 = 2,373,017.09/x - Step 3: Cross multiply
7,764,368.49x = 11,646,128.99 × 2,373,017.09 - Step 4: Simplify right side
7,764,368.49x = 27,636,463,055,518.71 - Step 5: Solve for x
x = 27,636,463,055,518.71/7,764,368.49 - Step 6: Final answer
x = 3,559,396.12
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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.