Finding the Fourth Proportional to 40,130,349.35, 55,378,028.36 and 22,726,820.03
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Solution
The fourth proportional to 40,130,349.35, 55,378,028.36 and 22,726,820.03 is: 31,361,961.82
Step by Step Solution
- Step 1: Write the proportion equation
40,130,349.35 : 55,378,028.36 = 22,726,820.03 : x - Step 2: Convert to fraction form
40,130,349.35/55,378,028.36 = 22,726,820.03/x - Step 3: Cross multiply
40,130,349.35x = 55,378,028.36 × 22,726,820.03 - Step 4: Simplify right side
40,130,349.35x = 1,258,566,483,933,882.75 - Step 5: Solve for x
x = 1,258,566,483,933,882.75/40,130,349.35 - Step 6: Final answer
x = 31,361,961.82
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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.