Finding the Fourth Proportional to 19,725,150.25, 27,218,349.86 and 10,903,409.85
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Solution
The fourth proportional to 19,725,150.25, 27,218,349.86 and 10,903,409.85 is: 15,045,402.45
Step by Step Solution
- Step 1: Write the proportion equation
19,725,150.25 : 27,218,349.86 = 10,903,409.85 : x - Step 2: Convert to fraction form
19,725,150.25/27,218,349.86 = 10,903,409.85/x - Step 3: Cross multiply
19,725,150.25x = 27,218,349.86 × 10,903,409.85 - Step 4: Simplify right side
19,725,150.25x = 296,772,823,964,270.12 - Step 5: Solve for x
x = 296,772,823,964,270.12/19,725,150.25 - Step 6: Final answer
x = 15,045,402.45
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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.