Finding the Fourth Proportional to 14,368,552.67, 19,828,321.62 and 7,842,228.92
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Solution
The fourth proportional to 14,368,552.67, 19,828,321.62 and 7,842,228.92 is: 10,822,122.51
Step by Step Solution
- Step 1: Write the proportion equation
14,368,552.67 : 19,828,321.62 = 7,842,228.92 : x - Step 2: Convert to fraction form
14,368,552.67/19,828,321.62 = 7,842,228.92/x - Step 3: Cross multiply
14,368,552.67x = 19,828,321.62 × 7,842,228.92 - Step 4: Simplify right side
14,368,552.67x = 155,498,237,243,425.25 - Step 5: Solve for x
x = 155,498,237,243,425.25/14,368,552.67 - Step 6: Final answer
x = 10,822,122.51
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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.