Finding the Fourth Proportional to 35,381,571.04, 48,818,489.60 and 19,906,009.12
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Solution
The fourth proportional to 35,381,571.04, 48,818,489.60 and 19,906,009.12 is: 27,465,747.58
Step by Step Solution
- Step 1: Write the proportion equation
35,381,571.04 : 48,818,489.60 = 19,906,009.12 : x - Step 2: Convert to fraction form
35,381,571.04/48,818,489.60 = 19,906,009.12/x - Step 3: Cross multiply
35,381,571.04x = 48,818,489.60 × 19,906,009.12 - Step 4: Simplify right side
35,381,571.04x = 971,781,299,202,225.25 - Step 5: Solve for x
x = 971,781,299,202,225.25/35,381,571.04 - Step 6: Final answer
x = 27,465,747.58
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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.