Finding the Fourth Proportional to 13,263,577.77, 18,303,549.81 and 7,462,345.68
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Solution
The fourth proportional to 13,263,577.77, 18,303,549.81 and 7,462,345.68 is: 10,297,931.54
Step by Step Solution
- Step 1: Write the proportion equation
13,263,577.77 : 18,303,549.81 = 7,462,345.68 : x - Step 2: Convert to fraction form
13,263,577.77/18,303,549.81 = 7,462,345.68/x - Step 3: Cross multiply
13,263,577.77x = 18,303,549.81 × 7,462,345.68 - Step 4: Simplify right side
13,263,577.77x = 136,587,415,853,318.31 - Step 5: Solve for x
x = 136,587,415,853,318.31/13,263,577.77 - Step 6: Final answer
x = 10,297,931.54
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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.