Finding the Fourth Proportional to 40,401,313.68, 55,752,202.08 and 22,759,805.28
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Solution
The fourth proportional to 40,401,313.68, 55,752,202.08 and 22,759,805.28 is: 31,407,623.85
Step by Step Solution
- Step 1: Write the proportion equation
40,401,313.68 : 55,752,202.08 = 22,759,805.28 : x - Step 2: Convert to fraction form
40,401,313.68/55,752,202.08 = 22,759,805.28/x - Step 3: Cross multiply
40,401,313.68x = 55,752,202.08 × 22,759,805.28 - Step 4: Simplify right side
40,401,313.68x = 1,268,909,263,272,011 - Step 5: Solve for x
x = 1,268,909,263,272,011/40,401,313.68 - Step 6: Final answer
x = 31,407,623.85
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1.5x scale
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.