Finding the Fourth Proportional to 9,513,853.44, 13,129,152.12 and 5,162,938.44
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Solution
The fourth proportional to 9,513,853.44, 13,129,152.12 and 5,162,938.44 is: 7,124,873.70
Step by Step Solution
- Step 1: Write the proportion equation
9,513,853.44 : 13,129,152.12 = 5,162,938.44 : x - Step 2: Convert to fraction form
9,513,853.44/13,129,152.12 = 5,162,938.44/x - Step 3: Cross multiply
9,513,853.44x = 13,129,152.12 × 5,162,938.44 - Step 4: Simplify right side
9,513,853.44x = 67,785,004,164,955.49 - Step 5: Solve for x
x = 67,785,004,164,955.49/9,513,853.44 - Step 6: Final answer
x = 7,124,873.70
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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.