Finding the Fourth Proportional to 14,028,002.56, 19,358,647.68 and 7,917,725.44
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Solution
The fourth proportional to 14,028,002.56, 19,358,647.68 and 7,917,725.44 is: 10,926,463.45
Step by Step Solution
- Step 1: Write the proportion equation
14,028,002.56 : 19,358,647.68 = 7,917,725.44 : x - Step 2: Convert to fraction form
14,028,002.56/19,358,647.68 = 7,917,725.44/x - Step 3: Cross multiply
14,028,002.56x = 19,358,647.68 × 7,917,725.44 - Step 4: Simplify right side
14,028,002.56x = 153,276,457,219,933 - Step 5: Solve for x
x = 153,276,457,219,933/14,028,002.56 - Step 6: Final answer
x = 10,926,463.45
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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.