Finding the Fourth Proportional to 14,295,867.34, 19,728,449.30 and 7,769,497.14
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Solution
The fourth proportional to 14,295,867.34, 19,728,449.30 and 7,769,497.14 is: 10,721,988.86
Step by Step Solution
- Step 1: Write the proportion equation
14,295,867.34 : 19,728,449.30 = 7,769,497.14 : x - Step 2: Convert to fraction form
14,295,867.34/19,728,449.30 = 7,769,497.14/x - Step 3: Cross multiply
14,295,867.34x = 19,728,449.30 × 7,769,497.14 - Step 4: Simplify right side
14,295,867.34x = 153,280,130,412,985 - Step 5: Solve for x
x = 153,280,130,412,985/14,295,867.34 - Step 6: Final answer
x = 10,721,988.86
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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.