Finding the Fourth Proportional to 15,066,387.36, 20,791,851.12 and 8,190,895.68
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Solution
The fourth proportional to 15,066,387.36, 20,791,851.12 and 8,190,895.68 is: 11,303,564.65
Step by Step Solution
- Step 1: Write the proportion equation
15,066,387.36 : 20,791,851.12 = 8,190,895.68 : x - Step 2: Convert to fraction form
15,066,387.36/20,791,851.12 = 8,190,895.68/x - Step 3: Cross multiply
15,066,387.36x = 20,791,851.12 × 8,190,895.68 - Step 4: Simplify right side
15,066,387.36x = 170,303,883,518,011.16 - Step 5: Solve for x
x = 170,303,883,518,011.16/15,066,387.36 - Step 6: Final answer
x = 11,303,564.65
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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.