Finding the Fourth Proportional to 9,577,740.81, 13,217,278.83 and 5,226,827.13
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Solution
The fourth proportional to 9,577,740.81, 13,217,278.83 and 5,226,827.13 is: 7,213,019.53
Step by Step Solution
- Step 1: Write the proportion equation
9,577,740.81 : 13,217,278.83 = 5,226,827.13 : x - Step 2: Convert to fraction form
9,577,740.81/13,217,278.83 = 5,226,827.13/x - Step 3: Cross multiply
9,577,740.81x = 13,217,278.83 × 5,226,827.13 - Step 4: Simplify right side
9,577,740.81x = 69,084,431,583,218.96 - Step 5: Solve for x
x = 69,084,431,583,218.96/9,577,740.81 - Step 6: Final answer
x = 7,213,019.53
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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.