Finding the Fourth Proportional to 11,291,265.04, 15,578,513.04 and 6,395,709.28
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Solution
The fourth proportional to 11,291,265.04, 15,578,513.04 and 6,395,709.28 is: 8,824,134.41
Step by Step Solution
- Step 1: Write the proportion equation
11,291,265.04 : 15,578,513.04 = 6,395,709.28 : x - Step 2: Convert to fraction form
11,291,265.04/15,578,513.04 = 6,395,709.28/x - Step 3: Cross multiply
11,291,265.04x = 15,578,513.04 × 6,395,709.28 - Step 4: Simplify right side
11,291,265.04x = 99,635,640,418,529.02 - Step 5: Solve for x
x = 99,635,640,418,529.02/11,291,265.04 - Step 6: Final answer
x = 8,824,134.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.