Finding the Fourth Proportional to 11,570,762.62, 17,356,291.56 and 7,975,564.26
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Solution
The fourth proportional to 11,570,762.62, 17,356,291.56 and 7,975,564.26 is: 11,963,448.15
Step by Step Solution
- Step 1: Write the proportion equation
11,570,762.62 : 17,356,291.56 = 7,975,564.26 : x - Step 2: Convert to fraction form
11,570,762.62/17,356,291.56 = 7,975,564.26/x - Step 3: Cross multiply
11,570,762.62x = 17,356,291.56 × 7,975,564.26 - Step 4: Simplify right side
11,570,762.62x = 138,426,218,652,075.62 - Step 5: Solve for x
x = 138,426,218,652,075.62/11,570,762.62 - Step 6: Final answer
x = 11,963,448.15
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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.