Finding the Fourth Proportional to 14,310,660.26, 19,748,815.26 and 7,784,346.08
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Solution
The fourth proportional to 14,310,660.26, 19,748,815.26 and 7,784,346.08 is: 10,742,454.22
Step by Step Solution
- Step 1: Write the proportion equation
14,310,660.26 : 19,748,815.26 = 7,784,346.08 : x - Step 2: Convert to fraction form
14,310,660.26/19,748,815.26 = 7,784,346.08/x - Step 3: Cross multiply
14,310,660.26x = 19,748,815.26 × 7,784,346.08 - Step 4: Simplify right side
14,310,660.26x = 153,731,612,653,825.19 - Step 5: Solve for x
x = 153,731,612,653,825.19/14,310,660.26 - Step 6: Final answer
x = 10,742,454.22
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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.