Finding the Fourth Proportional to 14,295,866.84, 19,728,448.61 and 7,769,496.64
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Solution
The fourth proportional to 14,295,866.84, 19,728,448.61 and 7,769,496.64 is: 10,721,988.17
Step by Step Solution
- Step 1: Write the proportion equation
14,295,866.84 : 19,728,448.61 = 7,769,496.64 : x - Step 2: Convert to fraction form
14,295,866.84/19,728,448.61 = 7,769,496.64/x - Step 3: Cross multiply
14,295,866.84x = 19,728,448.61 × 7,769,496.64 - Step 4: Simplify right side
14,295,866.84x = 153,280,115,187,807.66 - Step 5: Solve for x
x = 153,280,115,187,807.66/14,295,866.84 - Step 6: Final answer
x = 10,721,988.17
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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.