Finding the Fourth Proportional to 21,943,318.70, 32,917,143.18 and 7,564,493.54
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Solution
The fourth proportional to 21,943,318.70, 32,917,143.18 and 7,564,493.54 is: 11,347,486.69
Step by Step Solution
- Step 1: Write the proportion equation
21,943,318.70 : 32,917,143.18 = 7,564,493.54 : x - Step 2: Convert to fraction form
21,943,318.70/32,917,143.18 = 7,564,493.54/x - Step 3: Cross multiply
21,943,318.70x = 32,917,143.18 × 7,564,493.54 - Step 4: Simplify right side
21,943,318.70x = 249,001,516,940,365.06 - Step 5: Solve for x
x = 249,001,516,940,365.06/21,943,318.70 - Step 6: Final answer
x = 11,347,486.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.