Finding the Fourth Proportional to 11,366,792.32, 15,686,399.12 and 6,210,473.28
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Solution
The fourth proportional to 11,366,792.32, 15,686,399.12 and 6,210,473.28 is: 8,570,576.45
Step by Step Solution
- Step 1: Write the proportion equation
11,366,792.32 : 15,686,399.12 = 6,210,473.28 : x - Step 2: Convert to fraction form
11,366,792.32/15,686,399.12 = 6,210,473.28/x - Step 3: Cross multiply
11,366,792.32x = 15,686,399.12 × 6,210,473.28 - Step 4: Simplify right side
11,366,792.32x = 97,419,962,594,175.52 - Step 5: Solve for x
x = 97,419,962,594,175.52/11,366,792.32 - Step 6: Final answer
x = 8,570,576.45
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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.