Finding the Fourth Proportional to 34,999,969.98, 48,292,746.61 and 20,112,415.41
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Solution
The fourth proportional to 34,999,969.98, 48,292,746.61 and 20,112,415.41 is: 27,750,988.98
Step by Step Solution
- Step 1: Write the proportion equation
34,999,969.98 : 48,292,746.61 = 20,112,415.41 : x - Step 2: Convert to fraction form
34,999,969.98/48,292,746.61 = 20,112,415.41/x - Step 3: Cross multiply
34,999,969.98x = 48,292,746.61 × 20,112,415.41 - Step 4: Simplify right side
34,999,969.98x = 971,283,781,110,189.25 - Step 5: Solve for x
x = 971,283,781,110,189.25/34,999,969.98 - Step 6: Final answer
x = 27,750,988.98
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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.