Finding the Fourth Proportional to 36,390,602.87, 50,219,274.74 and 19,870,842.14
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Solution
The fourth proportional to 36,390,602.87, 50,219,274.74 and 19,870,842.14 is: 27,421,894.72
Step by Step Solution
- Step 1: Write the proportion equation
36,390,602.87 : 50,219,274.74 = 19,870,842.14 : x - Step 2: Convert to fraction form
36,390,602.87/50,219,274.74 = 19,870,842.14/x - Step 3: Cross multiply
36,390,602.87x = 50,219,274.74 × 19,870,842.14 - Step 4: Simplify right side
36,390,602.87x = 997,899,280,743,829.62 - Step 5: Solve for x
x = 997,899,280,743,829.62/36,390,602.87 - Step 6: Final answer
x = 27,421,894.72
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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.