Finding the Fourth Proportional to 28,068,194.93, 42,077,694.11 and 13,487,852.70
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Solution
The fourth proportional to 28,068,194.93, 42,077,694.11 and 13,487,852.70 is: 20,219,958.62
Step by Step Solution
- Step 1: Write the proportion equation
28,068,194.93 : 42,077,694.11 = 13,487,852.70 : x - Step 2: Convert to fraction form
28,068,194.93/42,077,694.11 = 13,487,852.70/x - Step 3: Cross multiply
28,068,194.93x = 42,077,694.11 × 13,487,852.70 - Step 4: Simplify right side
28,068,194.93x = 567,537,740,043,898.25 - Step 5: Solve for x
x = 567,537,740,043,898.25/28,068,194.93 - Step 6: Final answer
x = 20,219,958.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.