Finding the Fourth Proportional to 29,838,543.84, 41,177,129.76 and 16,785,812.16
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Solution
The fourth proportional to 29,838,543.84, 41,177,129.76 and 16,785,812.16 is: 23,164,386.61
Step by Step Solution
- Step 1: Write the proportion equation
29,838,543.84 : 41,177,129.76 = 16,785,812.16 : x - Step 2: Convert to fraction form
29,838,543.84/41,177,129.76 = 16,785,812.16/x - Step 3: Cross multiply
29,838,543.84x = 41,177,129.76 × 16,785,812.16 - Step 4: Simplify right side
29,838,543.84x = 691,191,565,439,305.88 - Step 5: Solve for x
x = 691,191,565,439,305.88/29,838,543.84 - Step 6: Final answer
x = 23,164,386.61
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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.