Finding the Fourth Proportional to 54,323,511.60, 81,485,267.40 and 17,937,517.80
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Solution
The fourth proportional to 54,323,511.60, 81,485,267.40 and 17,937,517.80 is: 26,906,276.70
Step by Step Solution
- Step 1: Write the proportion equation
54,323,511.60 : 81,485,267.40 = 17,937,517.80 : x - Step 2: Convert to fraction form
54,323,511.60/81,485,267.40 = 17,937,517.80/x - Step 3: Cross multiply
54,323,511.60x = 81,485,267.40 × 17,937,517.80 - Step 4: Simplify right side
54,323,511.60x = 1,461,643,434,425,260 - Step 5: Solve for x
x = 1,461,643,434,425,260/54,323,511.60 - Step 6: Final answer
x = 26,906,276.70
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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.